keep的用法

keep的用法
keep的用法

1.keep +形容词

2.keep+sth/sb + 形容词

3.keep +doing 一直做某事

4.keep ... from doing ... 阻止做某事。。。

5.keep a pet 饲养一个宠物

6.How long may I keep this book ?keep 指借。

keep 的用法小结

keep 是高考常考词汇之一,其含义丰富,与其搭配的短语也很多,其主要用法如下:A、用作及物动词

1)保留、保存、保持、留下 e.g. We'd better keep a seat for him.

我们最好给他留个座位。

He kept all the money in the bank.

他把所有的钱都存入了银行。

e.g. One should keep one's promise.

一个人应当遵守自己的诺言。

Everybody must keep the law.

人人都必须守法。

3)赡养,养活,饲养 e.g. He has a large family to keep.

他有一大家人要养活。

The old man kept many animals like dogs, pigs and cats.

这位老人养了许多动物,像狗、猪、还有猫等。

e.g. He kept a hotel in this city.

在这座城市里,他开了一家旅店。

She is good at kee ping house.

精选文库她擅长管理家务。

(5)保守(秘密),记(日记、帐) e.g. All of the people kee p the Spring Festival in our country.

我国所有的人都庆祝春节。

Some of them kee p birthdays.

他们中有些人庆祝生日。

(7)使……处于某种状态(情况)

在这种情况下,keeP常跟复合结构(keep +宾语+补语)。用作宾语补足语常见的词有现在分词、过去分词、形容词、副词以及介词短语。

e.g. He kept me wait ing for half an hour.

他让我等了半个小时。

Keep your mouth shut and your eyes open.

少说话,多观祭。

The doctor kept me in for a week.

医生一周没让我出去。

He always kee ps his books in good order.

他总是把书放得整整齐齐。

B、用作不及物动词

(1)保持、继续(处于某种状态)(keeP为连系动词) e.g. PI ease kee p quiet.

请保持安静。

We're kee ping in very good health.

精选文库我们身体非常好。

(2)(食物)保持良好状态 e.g. Will this fish kee p till tomorrow?

这鱼能放到明天吗?

C、keep构成的一些短语keep (sb.) away (from sth.)(使)某人离开(某物)

kee p sb. from doing sth. 阻止某人做某事

keep sth. in mind 记住(某事物)

keep sb./ sth. out (of sth.) 不让....... 入内

keep back忍住(眼泪),扣下,隐瞒

kee p in touch with 与....... 保持联系

kee p (on) doi ng sth. 继续做某事

keep off远离,避开,让开

keep up保持(不低落),继续keep up with 跟上,不落在后面

kee p boarders.

为寄宿生提供食宿

To raise:

抚养,饲养:

kee p chicke ns.

养鸡

To main ta in for use or service:

备有:为利用或服务而持有:

a city dweller who did n't kee p a car.

没有汽车的城市居民

To man age, tend, or have charge of:

管理、照管或负责…:

Kee p the shop while rm away.

我不在的时候你要照看商店

To p reserve (food).

保存(食物)

To cause to con ti nue in a state, con diti on, or course of action:

精选文库

维持:使…保持某一状态、情况或过程的动作:

atte mp ted to kee p the p atie nt calm.

试图使病人镇静

To mai ntai n records in:

记载,记入:保存记录于:

kee p a yearly diary.

记载年纪

To en ter (data) in a book:

记录(资料)于书里:

kee p finan cial records.

记录财务记录

To deta in:

留住,耽搁:

was kept after school.

放学后被留下来

To restrai n:

控制:

kept the child away from the hot stove; kept the crowd back with barriers.

别让孩子走近热炉子;用屏障挡住人群

To P reve nt or deter:

阻止,制止:

tried to kee p the ice from melt ing.

防止冰融化

To refrain from divulgi ng:

使…不泄露:

kee p a secret.

保守秘密

To save; reserve:

保存;积攒:

kee p extra money for emerge ncies.

攒下多余的钱以备急用

To mai nta in:

保持:

kee p late hours.

经常晚睡

To adhere to; fulfill:

坚持;完成:

kee p on e's word; kee p a busy schedule.

履行诺言;按紧张的日程表完成

To celebrate; observe.

v.intr.(不及物动词)

To remai n in a state or con diti on; stay:

保持,维持:保持某种状态或情况;保持:

kee P in line; kee p quiet; kept well.

排好队;保持安静;保鲜

To con ti nue to do:

继续做:

kee p on talk ing; kee p guess ing.

继续讲话;继续猜

To rema in fresh or unsp oiled:

保持新鲜或不腐败:

The dessert won't kee p.

沙拉不易久放

n.(名词)

Care; charge:

照顾;管理:

The child is in my kee p for the day.

今天这孩子由我照顾

The means by which one is supp orted:

生计:人生存所需物品:

earn on e's kee p.

挣钱糊口

The stron ghold of a castle.

要塞:城堡的把守要点

A jail.

监狱

kee p at

To p ersevere in work or an action.

坚持做…:继续某项工作或行为

kee p dow n

To p reve nt from grow ing, acco mp lishi ng, or succeed ing: 压制,镇压:阻止…成长、完成或成功:

kee P dow n p rices; kee p the revolutio naries dow n.

控制物价;镇压革命

kee p off

To stay away from.

躲开,避开

kee p to

To adhere to:

kee p to the orig inal purpo se.

遵守原定宗旨

kee p up

To maintain in good con diti on:

保持良好状态:

kept up the prop erty.

保存财产

To p ersevere in; carry on:

保持;继续:

We asked her to stop talk ing, but she kept up.

我们请她别再说话了,但她依旧说下去

To con ti nue at the same level or p ace.

并行:按相同的水平或步伐继续下去

To match on e's comp etitors, colleagues, or n eighbors in success or lifestyle: 不落后,赶得上:赶上对手、同事或邻居,指在成就或生活方式上:

un successfully tried to kee p up with his associates.

没能赶上他的同事们

for kee ps

For an in defi nitely long p eriod:

永远地:无限长的一段时间:

gave the ring to me for kee ps.

把这个戒指永久性地送给了我

Seriously and p erma nen tly:

严肃而永久地:

We're sep arat ing for kee ps.

我们从此一刀两断

kee p an eye out

To be watchful.

警觉

kee p company

To carry on a courtshi p:

相爱:

a couple who kept company but n ever married.

彼此相爱却不结婚的一对情侣

kee p (on e's) chin up

To be stalwart, courageous, or op timistic in the face of difficulty.

乐观,坚定:在困难面前坚定、勇敢或乐观

kee P (on e's) eyes open 或

kee p (on e's) eyes p eeled

To be on the lookout.

精选文库

警觉,小心

kee P (on e's) nose clea n 【非正式用语】To stay out of trouble.

避开麻烦

kee p p ace

To stay eve n with others, as in a con test. 并列:与其他人并驾齐驱,如在比赛中kee P (some one) company

To acco mpany or rema in with.

陪伴:陪伴或与…呆在一起

kee P time

To in dicate the correct time.

显示准确时间

Music To mai nta in the tempo or rhythm.

【音乐】保持节奏或旋律

kee p to (on eself)

To shu n the company of others:

避开其他人的陪伴:

She kept to herself all morning.

整个上午她自己一个人呆着

To refrain from divulgi ng:

使…不泄露:

He kept the n ews to himself.

他对这个消息秘而不宣

keep 的用法

Keep的用法: keep vt., vi. kept, keeping 保留;保守 I keep old letters.我保存旧信。 I'll keep the original copy of your report on file. 我会把你报告的原件归档的。 It's an interesting suggestion and we'll keep it on ice." 这是一项有趣的建议,我们将留待以后考虑采用。" 保持;继续 We will keep on trying and, if we get anything done, will notify you. 我们将继续努力,有结果将通知你。 Leaders shouldn't keep themselves aloof from the masses. 领导人决不应该脱离群众。 Keep calm!安静! You shouldn't keep chopping and changing like this; you'd better make up your mind right now! "你不能再这样变化无常了,最好现在就拿定主意!" 遵守 He keeps to his promise.他守约。 "Everyone should keep discipline, and you, officers are no exception." "每个人都应该遵守纪律,你们军官也不例外。" 保卫;保护 Keep the baby warm.别把婴儿冻着。(常与from连用)防止;抑制 Keep one's temper。抑制住不发脾气。 Keep a curb on your anger.请抑制住怒气。 扣留;留下 Please keep me a place in the queue.请在队里给我留个位置。 赡养;饲养 to keep a dog养狗 Farmers usually keep chickens in their backyard. 农民们通常在自己的后院养鸡。 经营;经销;管理 to keep a shop开商店 to keep house治家 (常与from连用)远离;不接触 Keep away from the scene of the accident.勿靠近事故现场。 Their dog looked dangerous, we decided to keep our distance from it. 他们家那条狗样子很凶恶,因此我们决定离它远一点。 But the stone walls keep the farmer's cows from joining his neighbor's cows. 但是石头墙使这家农民的母牛不会加入到邻居的牛群中去。

when的用法总结大全

when的用法总结大全 when的用法你知道多少,今天给大家带来when的用法,希望能够帮助到大家,下面就和大家分享,来欣赏一下吧。 when的用法总结大全 when的意思 adv. 什么时候,(用于时间的表达方式之后)在那时,其时,当时conj. 在…时,既然,如果 pron. 什么时候,那时 n. 时间,时候,日期,场合 when用法 when可以用作副词 when的基本意思是“什么时候”。可用作疑问副词,用来询问某事曾发生或将要发生的时间,引导特殊疑问句; 还可用作关系副词引导限制性定语从句、非限制性定语从句和表语从句,表示“是…时候的事”。 when可用作从属连词,引导状语从句,表示时间时作“当…时,在…的时候”解; 表示条件时作“如果,要是”解; 表示对比时作“既

然,考虑到”解。当when所引导的从句的主语和主句的主语一致时,常将其主语、系动词或助动词省去,只留实义动词或表语,或者改写为短语。 when所引导的时间状语从句用一般现在时代替将来时,用现在完成时代替将来完成时。 when用作副词的用法例句 When did that happen?那件事是什么时候发生的? They stood respectfully when he entered the room.当他走进房间时,他们都恭恭敬敬地站着。 Iron will melt when it is made very hot.当铁烧得很热时就会熔化的。 when可以用作连词 when可用作从属连词,引导状语从句,表示时间时作“当…时,在…的时候”解; 表示条件时作“如果,要是”解; 表示对比时作“既然,考虑到”解。当when所引导的从句的主语和主句的主语一致时,常将其主语、系动词或助动词省去,只留实义动词或表语,或者改写为短语。 when所引导的时间状语从句用一般现在时代替将来时,用现在完成时代替将来完成时。

before详细用法

after用法小议 通常用于过去时、现在时(主将从现)或完成时态的句子中。 1. 1. 用作介词,与一段时间连用表示“在…之后”时,注意它与 in的区别:after表示以过去时间为起点的一段时间以后,且通常与过去时态连用;而in则表示以现在为起点的一段时间以后:He came back after two days. 他两天后就回来了。He will come back in two days. 他过两天就回来。但 after 若是与一点时间连用,则可与过去时态也可与将来时态连用:He came back after 4 o’clock. 他是四点钟以后回来的。 He will come back after next month. 他将在下个月以后回来。 eg. 2. I played computer games after I had finished my homework. 做完功课后,我玩电脑游戏。(从句的动作发生在主句的动作前,因此,主句用一般过去式,从句用过去完成时.) Before和after引导的时间状语从句中,由于before和after 本身的词义已经能够表明动作发生的先后,所以主句可以用一般时代替完成时,也可以用完成时。 I knew/had known her long before you knew her.我认识她早在你认识他之前。 After you finish/have finished all your homework,you can watch TV this evening.你完成所有的作业后,今晚可以看电视。

2. 用作连词引导时间状语从句时注意:若主句用将来时态 (或含有将来意味),则时间状语从句要用一般现在时态 (表将来意义)表将来意义,而不能直接使用将来时态:他回来后我就走。正:I’ll leave after he comes back. 误:I’ll leave after he will come back. 3. 用作副词,表示“后来”、“ (一段时间)以后”,通常放在表示时间的副词之后:soon after 不久以后 two days after两天后 The plane was hijacked soon after it took off. Two days later he was gone. 4. 用于习语after all 终究,毕竟:I was right after all. 毕竟我是对的。After all, he’s only six years old. 毕竟,他才六岁。 before用法小结 请先看2005年广东省的一道高考题: The American Civil War lasted four years _______ the North won in the end. A. after B. before C. when D. then

keep的用法

1.keep +形容词 2.keep+sth/sb +形容词 3.keep +doing 一直做某事 4.keep ... from doing ... 阻止做某事。。。 5.keep a pet 饲养一个宠物 6.How long may I keep this book ? keep指借。 keep的用法小结 keep是高考常考词汇之一,其含义丰富,与其搭配的短语也很多,其主要用法如下: A、用作及物动词 (1)保留、保存、保持、留下 e.g. We'd better keep a seat for him. 我们最好给他留个座位。 He kept all the money in the bank. 他把所有的钱都存入了银行。 (2)履行(诺言)遵守 e.g. One should keep one's promise. 一个人应当遵守自己的诺言。 Everybody must keep the law. 人人都必须守法。 (3)赡养,养活,饲养 e.g. He has a large family to keep. 他有一大家人要养活。 The old man kept many animals like dogs, pigs and cats. 这位老人养了许多动物,像狗、猪、还有猫等。 (4)经营,管理

e.g. He kept a hotel in this city. 在这座城市里,他开了一家旅店。 She is good at keeping house. 她擅长管理家务。 (5)保守(秘密),记(日记、帐) e.g. All of the people keep the Spring Festival in our country. 我国所有的人都庆祝春节。 Some of them keep birthdays. 他们中有些人庆祝生日。 (7)使……处于某种状态(情况) 在这种情况下,keep常跟复合结构(keep+宾语+补语)。用作宾语补足语常见的词有现在分词、过去分词、形容词、副词以及介词短语。 e.g. He kept me waiting for half an hour. 他让我等了半个小时。 Keep your mouth shut and your eyes open. 少说话,多观察。 The doctor kept me in for a week. 医生一周没让我出去。 He always keeps his books in good order. 他总是把书放得整整齐齐。 B、用作不及物动词 (1)保持、继续(处于某种状态)(keep为连系动词)

before的详细用法

before的详细用法 Before 在英语中是一个比较常用的虚词,它既可作介词或副词用,也可作从属连词用。在近几年的高考试题中常常出现考查其从属连词用法的题目。其用法如下: 1.表示“在…..之前就…..”。 Mary had finished her homework before her mother returned. 2.表示“过了多久后才…….. ,动作进行到什么程度才……” They walked about 30 miles to the west before they saw a village . 3.表示“来不及;尚未…..就…” He ran off before I could stop him . 4.表示“刚…就…” I had hardly sat down before the bell rang. 5.表示“不知不觉就…..;还没弄清就……” Time passed quickly and three months went by before Aqiao knew it. 6.表示“宁愿…,决不…,与其…,毋宁….”常与will 或would 连用。 I would / will die before I surrender . 7.表示“否则;以免” I will write it down before I forget it . 8.用于句型“it was+时间段+ before …” 表示“过了多久才…” It was three days before he came back. . 9.用于句型“ it was not long +时间段+ before …” 意为“不久就….” It was not long before he sensed the danger of the position . 10. 用于句型“it will be(not )+时间段+ before….”表示“要过多久/ 不久…才…” It will be half a year before you graduate from this school .

keep的用法

用作动词(v.) keep about〔around〕1( v.+adv. ) 1. 继续履行职责go on with one's duties keep about〔around〕 She is very ill, but she still keeps about. 她虽然病得很重,但仍然继续工作。 2. 使手边常有have sth always present keep sth ? about〔around〕 I like to keep a few envelopes around in case I need them.我喜欢手边常有几个信封,以应不时之需。 keep about〔around〕2 ( v.+prep. ) keep abreast of( v.+adv.+prep. ) keep after( v.+prep. ) keep aloof( v.+adv. )

keep apart( v.+adv. ) keep at( v.+prep. ) keep away( v.+adv. ) keep away from( v.+adv.+prep. ) keep back( v.+adv. ) keep behind1( v.+adv. ) keep behind2 ( v.+prep. ) keep by1( v.+adv. ) keep by2( v.+prep. ) keep down( v.+adv. ) keep for( v.+prep. ) keep from( v.+prep. ) keep going( v.+adj. ) keep in1( v.+adv. ) keep in2( v.+prep. )

Keep_用法

Keep 用法知多少 keep 是英语中用法灵活的动词之一,用法归纳如下: 一、用作系动词,意为“保持(某种状态)”,其后常接形容词作表语。如: Please keep quiet / silent! 请保持安静! After the accident, he still kept alive. 这次事故之后,他仍然活着。 二、用作实义动词,可表示: 1. 保管;保存;保留。如: Keep the change. 零钱不用找了。 Please keep these things for me while I am away. 在我离开期间,请你替我保管这些东西。 2. 赡养;饲养。如: Does he earn enough to keep himself and his family? 他的收入够养活他自己和他的家人吗? I used to keep sheep in my childhood. 我在孩提时常常养羊。 3. 经营。如: Her father kept a grocer's shop for a number of years. 她父亲开了几年杂货店。 4. 坚持;继续。后面如接动词,要用V-ing 形式作宾语。如: If you keep (on) practising your spoken English, you'll soon make great progress. 如果你坚持练习英语口语,你很快就会取得很大的进步。 5. 阻止;阻碍。常用于keep sb/sth from doing sth 结构中,其中介词from 不能省略。如: The heavy rain didn't keep them from watching the football match. 大雨没能阻止他们观看足球赛。 6. 保持。其后常接复合宾语,表示使(某人或某物)保持某种状态或使某一动作继续。 ①keep + sb/sth + 介词。如:

when-的用法

when 的用法 一、when 用作副词。 1. 用作疑问副词,引导特殊疑问句。(什么时候,何时 [at what time ])例如: ①When will you come to see me? ②When are they going to visit the Great Wall? 2. 用作连接副词,通常用来引导名词性从句[主语从句、表语从句、同位语从句、宾语从句]及起名词作用的“when +动词不定式”结构。(什么时候,何时 [at which; on which ])例如: ①When he comes is not known. [主语从句] ②The morning is when I am busiest. [表语从句] ④I don't know when the plane takes off. [宾语从句] ⑤I don't know when to leave for London. [宾语] 3. 用作关系副词,引导限定性定语从句和非限定性定语从句。(在…的时候 [at/on/in/during which])例如: ①Do you still remember the days when we stayed in America? ②The day will come soon when the Chinese astronauts will go to the moon. ③It happened ten years ago, when I was a child. ④We will go to the countryside at the beginning of June, when the summer harvest will start. 二 . when 用作连词。 1. 用作从属连词,意为“当……的时候[at the time when ]”,引导时间状语从句。例如: ①They learned a lot from the peasants when they stayed in the village. ②It was snowing when he arrived at the station. 【点津】如果 when 引导的从句中的主语和主句中的主语一致,且从句中的谓语动词是“be +分词”或从句主语是 it ,则 be 动词及其主语常可省略。例如: ③When( he was )asked why he was late, he made no answer. ④I'll tell him about it when( it is )possible. 2. 用作从属连词,意为“一……就……”,引导时间状语从句。[immediately after]例如: ①We will stand up when the teacher comes into the classroom. 老师一进教室我们就起立。 ②Fire the rockets when I give the signal. 3. 用作从属连词,意为“还没 / 刚刚/刚一……就”,引导时间状语从句。[immediately after]例如: ①I had hardly opened the door when he came in. 我刚一开门,他就进来了。 ②I had not been reading for half an hour when I heard someone call my name. 【点津】hardly…when和no sooner…than的结构要注意三点:意思为“一A就B“;A句通常用完成时态;hardly 和 no sooner 位于句首时要注意部分倒装。 4. 用作从属连词,意为“倘若,如果”,表示条件。例如: ①Turn off the switch when anything goes wrong with the machine. 如果机器发生故障,就把电源关上。 ②He will be likely to recover when he is operated on. 5. 用作从属连词,意为“既然,尽管”,表示让步。例如: ①Why use metal when you can use plastic?既然能用塑料,为什么用金属? ②They kept trying when they knew it was hopeless. 尽管他们知道那件事没有希望,可是他们还在不断地努力。6. 用作并列连词,意为“在那时,届时;就在这时”,表示时间。这时主句中可以用过去进行时,过去完成时或“ was/were about to do sth. ”结构。 ①Last night I was about to go to bed when the phone rang. ②I was cooking in the kitchen when someone knocked at the door. ③He had just finished the book when supper was served. 7. 用作并列连词,意为“虽然、然而、可是”,表示转折。例如: ①He usually walks to work when he might take a bus. 虽然他可 以坐公共汽车上班,但他却常常步行上班。 ②I had only twenty dollars when I needed thirty to buy the dictionary.我需要 30 美元买那本字典,可是我只有20美元。 8. 用作并列连词,意为“而、却”,表示对比。例如: How can he say that everything is fine when it's obvious that it is not? 他怎能说一切都好呢?情况显然不是那样。 三 . when 用作代词[which time]。 when 作为代词常常位于介词之后,意为“那时,什么时候”。例如: ①Since when have you been studying Japanese? 【点津】since when 作引导词时是“介词(since)+关系代词(when)”的结构,when意为which time。since when常引导非限制性定语从句,从句应用完成时态。 ②I came here in 1949, since when I have been engaged in this work. 我1949年到这里,从那时起我就担任这项工作。 ③We came back on Tuesday, since when we have been working in the repair shop. ④We came a week ago, since when the weather has been bad. 四、when 还可用作名词,前面常常用定冠词 the。 the when 表示事 件发生的时间,常常与 the where, the how 并列使用。 He told the police the when and the how of the accident. 他告 诉警察事故发生的时间及发生的原委。 [巩固练习] 1. I remember ______ this used to be a quiet village. A. when B. how C. where D. what 2. Why do you want a new job _____ you've got such a good one already? A. that B. where C. which D. when 3. It was an exciting moment for these football fans this year, ______ for the first time in years their team won the World Cup. A. that B. while C. which D. when 4. We are living in an age _______ many things are done on computer. A. which B. that C. where D. when 5. The reporter said that the UFO ______ east to west when he saw it. A. was travelling B. travelled C. had been travelling D. was to travel 6. ______ got into the room _________ the telephone rang. A. He hardly had; then B. Hardly had he; when C. He had not; than D. Not had he; when 7. ---- Can I join your club, Dad? ---- You can when you _______ a bit older. A. get B. will got C. are getting D. will have got 8. I shall never forget those days ________ I lived in the countryside with the farmers, ________ had a great effect on my life. A. that; which B. when; which C. which; that D. when; who 9. The film brought the hours back to me ______ I was taken good care of in that faraway village. A. until B. that C. when D. where 10. He was about to tell me the secret ______ someone patted him on the shoulder.

中考英语keep用法归纳

Keep用法归纳 在人教版初中英语教材中,keep是要求学生必须掌握的四会词之一,现将其多见用法归纳小结如下,以利于大家正确地使用该词。 一、用作及物动词 1.意为“保存;保留;保持;保守“。如: Could you keep these letters for me, please?你能替我保存这些信吗? I“ll keep a seat for you.我给你留个座位。 It can help to keep vegetables, fruit and meat for a long time in hot summer.在炎夏的夏天,它有助于蔬菜、水果和肉类长时间保鲜。 Can you keep a secret?你能保守秘密吗? 2.意为“照顾;养活“等。如: She kept her sister for a week while her sister was ill.她妹妹有病时,她照看她了一个星期。 I have a family to keep.我得养活一家人。 3.意为“留下;不必还“。如: You can keep the pen if you like it.你要是喜欢就把钢笔留下吧。 Keep the change.不用找零钱了。 4.意为“遵守;维护“。如: Everyone must keep the rules.人人必须遵守规章制度。 The teacher is keeping order in class.老师正在课堂上维持秩序。 5.意为“售;卖“。如: The shop keeps everything you need.那家商店里出售的东西应有尽有。

before的用法

before的用法 1.表示“在……之前”。说明两个时间或两个事件之间的先后关系。 1)They had got everything ready before I arrived.在我到达之前他们已经把一切都准备好了。 2)She didn’t understand me before I explained it to her.在我向她解释之前,她不理解我的意思。 3)The train had left before I arrived at the station.在我到达车站之前火车已开走了。2.表示“……才…… ”,强调从句的谓语动词所表达的时间、距离很长或花费的力量比较大。 1)The workers worked long hours for two weeks before everything returned to normal.工人们长时间地工作了两周,一切才恢复正常。 2)The big fire lasted four hours before the firemen brought it under contro1.大火持续了四个小时,消防队员才把它控制住。 3) We waited a long time before the train arrived.我们等了很长时间火车才到。 3.表示“还未来得及……就……”,强调主句谓语动词所表达的时间、距离很短或花费的精力比较小。 1)Before I could figure out what had happened,he forced me into the car.我还不知道发生了什么,他就强行把我推进了汽车。 2)He jumped into the water before I could stop him.我还没有来得及阻止他,他就跳进了水里。 3)Her father died before she was born.她尚未出世父亲就去世了。 4.表示“趁着……”。 1)We can set off early before it gets hot.我们可以趁着天不热早点出发。 2)You’d better write the phrases down before you forget them.趁着你还没有忘记,赶紧把这些词组写下来。 3)Please put them away before they are missing.趁着他们还没有丢,把它们收好吧。5.表示“一……就”、“刚刚……就”。与hardly.scarcely连用o 1)He had hardly gone to bed before(=when)the door bell rang.他刚刚睡下,门铃就响了。 2)She had scarcely got off the train before(=when)her daughter ran towards her.她刚一下车,女儿就跑了过来。 6.表示“不知不觉多少时间已经过去了”。 1)He was so absorbed in his work that four hours had passed before he knew it.他如此专注于工作,不知不觉四个小时就过去了。 2)Time passed quickly and three months went by before he knew it.时间飞快地流逝,他没感觉到三个月已过去了。 7.表示“宁可,宁愿”,相当于rather than。 1)I’d die b efore I apologized to them.我宁死也不向他们道歉。 2)1 would be poor before I got money in this way.我宁愿穷也不愿用这种方式挣钱。8.before常用于句型 “it was +段时间+before……”“过了(多长时间)才…… ”; “it will be……before…… ”“要用(多长时间)才……”; “it wasn’t……before……”“没过(多长时间)就……”; “it won’t be……before……”“用不了(多长时间)就会……”。 1)It was long before he came to help me.过了很久他才来帮我。 2)It wasn’t long before the fire was put out.不久火就给扑灭了。

连词when的用法

一、作为副词,它有以下的用法: 1. 作为疑问副词,引导特殊疑问句,意为“什么时候;何时”。 (1 )When will they come back? (2 )What time will they come back? 回答when 引导的从句,不一定指出具体的时间点。如回答句( 1 )可用tomorrow,next month 等。而回答what time 引导的问句,则必须说出具全的时间点,如at two o'clock,at five past ten 等。 2. 作连接副词,引导名词性从句或不定式,意为“什么时候”。从句使用陈述句语序,时态根据实际情况而定。 (1 )I'd like to know when they will come. 我想知道他们什么时候来。(when 引导宾语从句) (2 )Can you tell me when the bank opens?你能告诉我银行什么时候开门吗?(when 引导宾语从句) (3 )When she'll be back depends much on the weather. 她何时回来在很大程度上取决于天气。(when 引导主语从句) (4 )Have you decided when to go sightseeing?你们已经决定什么时候去郊游了吗?(when 引导不定式结构) 3. 作疑问代词,常和介词since,till,up to 等连用,意为“什么时候”。 如:(1 )Since when have they had the house?他们从什么时候起有这幢房子的?(2 )Till when is the library open?图书馆开放到几点呢? 4. 作关系副词,引导限制性定语从句和非限制性定语从句。 (1 )The days are gone forever when the Chinese people were looked down upon. 中国人民被人轻视的日子一去不复返了。 (2 )The main school holidays are from mid-December till early February,when the days are long and warm. 学校的主要假期是从12 月中旬到2 月初,这段时间里白天长而且很温暖。 (3 )Considering (the time)when these paintings were done,they are in excellent condition. 考虑到这些油画的创作时期,它们保存的状况是极好的。 (4 )Do you remember (the time)when the three of us went on a picnic?你还记得我们三个人去野餐的那段时光吗? A. 在定语从句中,that 在某些条件下可用来代替when ,这时其先行词通常是time,

before用法

1.表示“在……之前”.说明两个时间或两个事件之间的先后关系. 1)They had got everything ready before I arrived. 在我到达之前他们已经把一切都准备好了. 2)She didn’t understand me before I explained it to her. 在我向她解释之前,她不理解我的意思. 3)The train had left before I arrived at the station. 在我到达车站之前火车已开走了. 2.表示“……才……”,强调从句的谓语动词所表达的时间、距离很长或花费的力量比较大. 1)The workers worked long hours for two weeks before everything returned to normal.工人们长时间地工作了两周,一切才恢复正常. 2)The big fire lasted four hours before the firemen brought it under contro1.大火持续了四个小时,消防队员才把它控制住. 3) We waited a long time before the train arrived.我们等了很长时间 火车才到. 3.表示“还未来得及……就……”,强调主句谓语动词所表达的时间、距离很短或花费的精力比较小. 1)Before I could figure out what had happened, he forced me into the car.我还不知道发生了什么,他就强行把我推进了汽车. 2)He jumped into the water before I could stop him. 我还没有来得及阻止他,他就跳进了水里. 3)Her father died before she was born.她尚未出世父亲就去世了. 4.表示“趁着……”. 1)We can set off early before it gets hot. 我们可以趁着天不热早点出发. 2)You’d better write the phrases down before you forget them. 趁着你还没有忘记,赶紧把这些词组写下来. 3)Please put them away before they are missing. 趁着他们还没有丢,把它们收好吧. 5.表示“一……就”、“刚刚……就”.与hardly.scarcely连用 1)He hadhardly gone to bed before(=when)the door bell rang. 他刚刚睡下,门铃就响了. 2)She had scarcely got off the train before(=when)her daughter ran towards her.她刚一下车,女儿就跑了过来. 6.表示“不知不觉多少时间已经过去了”. 1)He was so absorbed in his work that four hours had passed before he

keep用法

?keep at 1.坚持做…:继续某项工作或行为 ?keep down 1.压制,镇压:阻止…成长、完成或成功 Keep down prices; keep the revolutionaries down. 控制物价;镇压革命 ?keep off 躲开,避开 ?keep to 1.坚持,信守Keep to the original purpose.遵守原定宗旨 ?keep up 1.保持良好状态Kept up the property保存财产 2.保持;继续We asked her to stop talking, but she kept up. 我们请她别再说话了,但她依旧说下去 3.并行:按相同的水平或步伐继续下去 4.不落后,赶得上:赶上对手、同事或邻居,指在成就或生活方式上 Unsuccessfully tried to keep up with his associates.没能赶上他的同事们 ?you can't keep a good man (或woman) down (非正式)有能力的人是不会被挫折或问题吓倒 ?keep one's feet 站稳,不倒 ?keep goal (主英足)守球门 ?keep going (困难时)努力维持正常生活 ?keep open house 好客 ?keep to oneself 避开与人接触,独处 ?keep something to oneself 守口如瓶 ?keep up with the Joneses 与人攀比 ?keep wicket (板球)守板球门 ?keep someone after (美)(作为对小学生的惩罚)放学后留校

when 的用法

我手里关于when用法的资料全再这了. 一、 when 意为“当…时”,用作连词,引导时间状语从句,从句的谓语动词可以是延续的(此时相当于while),也可以是非延续性的.引导的时间状语从句通常用现在时表将来. I will write to my sister when I have finished the book.我读完这本书后便给姐姐写信. When he sees the photo,he can't help thinking of his childhood. 每当看到这张照片,他就不禁想起童年. 二、 when 引导时间状语时,若主从句主语一致或从句主语为it且从句谓语动词含be的形式,可省略从句的主语及be 部分. When (I was) walking on the street,I came across Mary.我在街上漫步时遇上了玛丽. He gave good practical advice when (he was) asked.他有求必应,给出了好的可行性建议. She would weep when (she was) alone.她孤独时便哭. When(you are)in trouble,you can ask her for help.有麻烦时,你可找她帮忙. We will do that only when ( it is) necessary.只有当有必要时我们才会那么做. 三、 when用作连词,表突然发生某事,意为“就在这时/那时”(=at this/that time),常构成句型be doing…when…或be about to do…/be on the point of doing…when…. I was just coming along to see you when I ran into Tom.遇见汤姆时,我正在来看你的路上. He was about to go to bed when the telephone rang.他准备睡觉时电话铃响了. 四、 When用作连词表过早发生某事,意为“还没(刚刚)…就”,可构成句型hardly/scarcely…when….使用该句型时应注意两点:①主句的谓语动词用过去完成时,从句谓语动词用过去时.②若hardly/scarcely 位于句首时,其后的句子部分倒装,而when引导的从句不倒装. I had been there little more than a week when I set to work in earnest. 我在那还不到一个星期就开始认真工作. Hardly had I opened the door when he hit me.我一打开门他就撞了我. 六、 when引导条件状语从句,意为“在…情况下;如果;要是”,相当if. Why do you walk when you have a car?你有车为什么还走路呢? No one can make a dress when they haven't learnt.没有人能够不学就能制作衣服的. 七、 when 引导时间状语从句,意为“一…就…”,相当于as soon as . We will start when everything is ready.一切准备好了我们就出发. When she comes,I will give it to her.她来了我就给她. 八、 when可引导原因状语从句,意为“既然;考虑到…”,相当于since,as 或now that. You can't go home when you haven't finished your work. 既然你没完成工作,你就不可以回家. 九、 when可引导名词性从句或接不定式. Could you tell me when you will leave for Shanghai?能告诉我你什么时候去上海吗? Ask him when to open it.告诉他什么时候打开. 十、

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