英语语法现在完成时讲解

英语语法现在完成时讲解
英语语法现在完成时讲解

第六讲现在完成时

1.概念:

1)、表示动作或状态在过去已经开始, 持续到现在, 也许还要持续下去,常和for, since, 连用, 表示持续的动作或状态多为延续性动词.

eg: We have lived here since 2000.

自从2000年以来我们一直住在这里. ( 说明一直住在这里, 也许还会住下去. )

She has worked in Nanning for five years.

She has been ill for a week.

2)表示过去发生的或已经完成的某一动作对现在造成的影响或结果.

eg: I have lost my pen. 我把钢笔弄丢了. ( 过去某时丢的, 现在还没有找到)

I have already watched the TV play. 我已经看过这部电视剧了.

--- Have you had your lunch yet ? 你吃过午饭了吗?

--- Yes, I have just had it. 是的, 我刚吃过. ( 说明现在饱了)

2. 结构: 主语+ hav e / has + done + …

3. 句型: ⑴肯定句: ①主语+ have / has + done + …

eg:She has been to Shanghai. 她去过上海.

I have finished doing my homework. 我已经完成我的作业了.

⑵否定句: ①主语+ have / has + not +done + …

eg:I haven’t seen this film.我没有看过这部电影.

eg:She hasn’t finished doing his homework. 她还没有完成她的作业.

⑶一般疑问句:① Have / Has + 主语+ done + …

eg: Have you seen this film ? Yes, I have. / No, I haven’t .

你看过这部电影吗? 是的, 看过. / 不, 没有.

eg:Has she finished doing his homework ? Yes, she has . / No, she hasn’t.

她完成她的作业了吗? 是的, 完成了. / 不, 没有.

⑷特殊疑问句:①特殊疑问词+ have / has + 主语+ done + …

eg: When has you seen this film ? 你什么时候看的这部电影?

eg: Who has finished doing his homework ? 谁完成了作业?

4. 时间状语:典型的表时间的词与现在完成时连用,这些词有:

for 、since、already、yet、ever、never、recently、just、before、so far、by now、…

等连用.

注意: for+一段时间since+过去的某一个时间点

I have lived in Nanning for ten years.

I have lived in Nanning since ten years ago/ 2002.

I haven’t eaten anything for ten hours.

I ha haven’t eaten anything since 6am.

already :用于肯定句, 可放在助动词之后、过去分词之前,也可放在句末.

I have already finished my homework.

yet: 用在疑问句中意为”已经”, 用在否定句中表示”还”, 常放在句末.

Have you finished your homework yet?

I haven’t finished my homework yet.

ever: 曾经用于疑问句中:

Have you ever been to Beijing?

Have you ever been to Shanghai ? 你去过上海吗?

never: 未曾从未

I have never traveled by plane before. 我以前从来没有乘飞机旅行过.

recently:最近用于肯定否定疑问句中

I have been busy recently.

We have not seen Tom recently.

Have they been here recently.

eg: I have just seen Tom.

I haven’t heard of it before. 我以前从来没有听说过这件事.

They have planted 2000 trees so far.

The child has learned 100 English words by now.

5. 当与一段时间连用时, 经常用for 加一段时间, 这时候谓语动词一定要用延续性的.

非延续性动词----延续性动词

改错:They have got married for ten years. I have borrowed this book for a week.

get married--- be married borrow --- keep

come ---- be here go --- be away / off buy --- have

start / begin --- be on leave --- be away die --- be dead

arrive---be in/at join---be in /be a member of stop---be over

return----be back open/close---be closed/open

eg: He came here three days ago. 他三天前来的这. (一般过去时)

He has been here for three days. 他来这已经三天了.

(现在完成时与一段时间连用, 非延续性动词变延续性动词. )

He went to Dalian last week. 他上周去的大连. ( 一般过去时)

He has been away for a week. 他已经离开有一周了. ( 现在完成时)

I bought the book last month. 我去年买的这本书. ( 一般过去时)

I have had the book for a month. 我保管这本书有一周了. ( 现在完成时)

The football match started an hour ago.

The football match has been on for an hour.

6. 词义辨析

have been to 曾经去过某地,说话时已经从某地回来或者已从该地去了其他的地方。

eg: I have been to Canada. 我去过加加拿大.

have gone to 已经去了某地,书说话时还未回来。

eg: He has gone to Dalian. 他去了大连.

have been in 已在某地待了多久,大地方用in 小地方用at, 后面是副词则不用介词The Greens have been in China for two years.

7. 现在完成时与一般过去时的区别:

1)、侧重点不用,现在完成时是与现在有关的时态,侧重于过去的动作对现在造成影响,

而一般过去时是一种过去的时态,侧重于表示过去的动作,与现在无关。

I went the zoo yesterday. 尽说昨天去了动物园,与现在无关。

Li lei has read the book. 说明李雷理解那本书。

2)、与现在完成时连用的时间状语有:for 、since、already、yet、ever、never、recently、just、before、so far、by now、而一般过去时则常与yesterday, ago last, in 20000, just now, 连用。

英语语法大攻克--现在完成时的讲解

现在完成时的讲解 基本结构:主语+have/has+过去分词(done) ①肯定句:主语+have/has+过去分词+其他 ②否定句:主语+have/has+not+过去分词+其他 ③一般疑问句:Have/Has+主语+过去分词+其他 ④特殊疑问句:特殊疑问词+一般疑问句(have/has+主语+过去分词+其他) (1)现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在. I have spent all of my money.(含义是:现在我没有钱花了.) Jane has laid the table.(含义是:现在桌子已经摆好了.) Michael has been ill.(含义是:现在仍然很虚弱) He has returned from abroad. (含义是:现在已在此地) (2)现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作(用行为动词表示)或状态(be动词表示)常与for(+时间段),since(+时间点或过去时的句子)连用. Mary has been ill for three days. I have lived here since 1998. 注(超重要):瞬间动词(buy,die,join,lose……)不能直接与for since 连用。要改变动词 come-be go out-be out finish-be over open-be open die-be dead ……………… 1.have代替buy My brother has had(不能用has bought) this bike for almost four years. 2、用keep或have代替borrow I have kept(不能用have borrowed) the book for quite a few days. 3、用be替代become How long has your sister been a teacher? 4、用have a cold代替catch a cold Tom has had a cold since the day before yesterday. 5、用wear代替put on b)用“be+形容词”代终止性动词 1、be+married代marry 2、be+ill代fall (get) ill 3、be+dead代die 4、be+asleep代fall (get) asleep 5、be+awake代wake/wake up 6、be+gone代lose,die,sell,leave 7、be+open代open 8、be closed代close/shut 9、be+missing(gone,lost)代lose c)用“be+副词”代终止性动词 1“be+on”代start,begin 2“be+up”代get up 3“be+back(to)”代return to,come back to,go back to 4“be here (there)”代come(arrive,reach,get) here或go (arrive,reach,get) there等等 d)用“be+介词短语”代终止性动词 1.“be in/at +地点”代替go to /come to 2.用be in the army 代替join the army

英语语法-现在完成时用法及习题

目录 1现在完成时的构成 (2) 2现在完成时的用法 (5) 3 使用现在完成时需注意事项 (7) 4过去完成时与现在完成时的比较 (12) 练习题 (13) 答案 (16)

现在完成时对于我们来讲是所有时态中最难掌握的一种。因为它并不是表示发生于某一时间的事情,而是既涉及过去,又联系现在的一种时态。请参见下列三个例句: 例:1.I live in Beijing. 我住在北京。 2.I lived in Beijing. 我住过北京。(我在北京住过。) 3.I have lived in Beijing. 我一直住在北京。 例1.的live是一般现在式,表示“我现在住在北京”这一事实。 例2.的lived是过去式。这句只是表示在过去的某一时期我在北京住过,至于现在住不住在北京则不清楚。 例3.的have lived是现在完成时,表示我在过去的某一时间开始住在北京,现在也住在北京。表示从过去到现在的一种继续状态。 1现在完成时的构成 现在完成时的形式是“have (has)+过去分词”,表示继续、完了、结果和经验等四种意思。 现在完成时的否定句是在have(has)的后面加上not,疑问句是将have(has)置于主语之前。 1现在完成时的肯定句 句型:

We have lived in Beijing. 我们一直住在北京。 He has lived in Beijing. 他一直住在北京。 过去分词的三种用法 过去分词有下列三种用法(过去分词的构成详见第六章):1.构成现在(过去)完成时 have(has)+过去分词~ I have written the letter. 我写完这封信了。 2.被动语态:参见第十三章 be + 过去分词~ He was looked after.他受到照顾。 3.用于形容词 This is a broken chair. 这是一张坏的椅子。 2现在完成时的否定句 句型:主语+have(has)+not +过去分词~. I have not seen the movie yet.

(完整版)(英语语法)四种完成时态

LESSON EIGHT 四种完成时态 主系表 现在:You are rich. 过去:You were rich. 将来:You will be rich. 过去将来:You would be rich. There be 现在:There is a book on the desk . 过去:There was a book on the desk. 将来:There will be a book on the desk. 过去将来:There would be a book on the desk. 主谓宾状 现在:You study English in the school. 过去时:You studied English in the school. 将来时: You will study English in the school. You are going to study English. You are to study English. You are about to study English 过去将来:You would study English in the school You were going to study English. You were to study English. You were about to study English. You are studying English. You were studying English. You will be studying English. You woud be studying English. 课堂练习 1:你知道你们老师的爸爸昨天为什么要打beat他? 2:你知道你们班的那个女孩子怎样成为你们班最好的学生吗?3:你知道昨天他们家的狗为什么咬bit bite你吗? 4:我妈妈昨天问我我打算在哪学英语.

最新英语语法—现在进行时(基本)

现在进行时 元音:a e i o u(其它为辅音) 现在进行时表示动作发生的时间是“现在”,动作目前的状态是“正在进行中”。所谓“正在进行中”,是指在谈到这件事的时候,这个动作还在进行中。至于它是什么时候开始的,什么时候会停下来,不是我们关心的。所以“正在进行时”的事件,可能发生几年了,也可能只有几分钟。仍在进行中这是“正在进行时”的关键所在。它是一件持续进行的事情。 一.定义: 现在进行时的定义:现在进行时表示现在或当前一段时间正在进行的动作。可以表示有计划的未来,也就是用现在进行时表示将来。 二.构成: 现在进行时的构成是:主语+be+v.ing〔现在分词〕形式。 be的变化 在现在进行时中,be 要根据人称代词和名词的单复数不同,而分别使用am/is/are,即:I am/he/she/it 包括单数名词和不可数名词用is,you/we/they 包括复数名词用are. 第一人称单数:I+am+doing+Sth. 第一人称复数We+are+doing +Sth. 第二人称单(复)数 You+are+doing+Sth. 第三人称单数 He(She,it)+is+doing+Sth. 第三人称复数 They+are+doing +Sth. 三.现在进行时的变化 肯定句式:主语+be( am, is, are)+现在分词+其它. 否定句式:主语+be(am, is, are) +not +现在分词+其它. 一般疑问句:Be(am, is, are) +主语+现在分词+其它? 特殊疑问句:疑问词+be(am, is, are)+主语+现在分词+其它? 对现在进行时的特殊疑问句的回答,它不可以用Yes或No直接作答,要根据实际情况回答。

初中英语语法过去完成时

初中英语过去完成时态讲解试题 过去完成时态 1)过去完成时态的构成: 肯定式:had + 动词的过去分词 否定式:hadn't + 动词的过去分词 疑问式:Had … + 动词的过去分词 简略回答: Yes, 主 + have/has had. No, 主 + had现在完成时的用法 过去完成时的用法: 1、表示在过去某一时间或动作之前已经发生或完成的动作。他表示的时间是"过去的过去 "常与by last year, by the time of yesterday,等连用。如: She said she had seen the film 4 times. When Mr Li got to the classroom, all the students had begun reading. By the time they arrived, the bus had left. 2、表示从过去某一时间开始一直延续到过去另一时间的动作或状态。常与for (后跟段时间)或since (后跟点时间)等连用.如: She had worked in this school since it opened 25 years ago. 例题解析:举一反三,学的更轻松! 1. He ______ in Shanghai University for four years before he ______ Beijin g. A. studied, had gone B. had studied, went C. has studied, goes D. had studied, had gone

现在完成时的构成英语语法大全

现在完成时的构成 一)肯定式 主语+助动词have /has +过去分词+其它 说明:这里的have /has是助动词,没有什么具体意义。当主语是第三人称单数时助动词 用has,其余人称一律用have。has,have的缩略式分别为's或've。规则动词过去分词的构 成与过去式的构成方式一样,不规则动词可参看不规则动词表。实例: 1)I've just copied all the new words .我刚抄写了所有的生词。(表示不要再抄了) 2)She has lost her books .她丢失了她的书。(表示到目前为止还没有找到) (如果用过去时:She lost her books . 则强调书是过去丢的这一动作,而不知现在有没有找到) 3)We've just cleaned the classroom .我们刚好打扫了教室。(表明现在教室是干净的) 二)否定式 主语+助动词have /has+not+过去分词+其它 说明:现在完成时构成否定句时,只需在助动词have /has后面加not就行。have not,has not的缩略式分别为haven't ,hasn't。另外,肯定句中有some,already时,改为否定时要分 别改成any,yet。实例: 1)I haven't finished my homework yet.我还没有完成我的作业。 2)She hasn't travelled on a train .她没有坐火车旅行过。 3)We have never spoken to a foreigner.我们从来没有和外国人说过话。 注:有时not可以用never代替,表示“从来没有”的意思。又如: 4)I have never seen him before.以前我从来没有见过他。 三)一般疑问式 助动词Have /Has +主语+过去分词+其它? 说明:把陈述句中的have或has放到句首,句末打问号,同时把句中的some ,already改为any ,ye t就构成了一般疑问句。肯定回答用“Yes ,主语+have/has.否定回答用“No,主语+haven't/hasn't.”有时也可以用“No,not yet./No ,never./No,not even once.”等。实例:

英语语法—现在进行时(基本)

现在进行时 现在进行时表示动作发生的时间是“现在”,动作目前的状态是“正在进行中”。所谓“正在进行中”,是指在谈到这件事的时候,这个动作还在进行中。至于它是什么时候开始的,什么时候会停下来,不是我们关心的。所以“正在进行时”的事件,可能发生几年了,也可能只有几分钟。仍在进行中这是“正在进行时”的关键所在。它是一件持续进行的事情。 定义: 现在进行时的定义:现在进行时表示现在或当前一段时间正在进行的动作。可以表示有计划的未来,也就是用现在进行时表示将来。 构成: 现在进行时的构成是:主语+be+v.ing〔现在分词〕形式 第一人称单数 I+am+doing+Sth. 第一人称复数 We+are+doing +Sth. 第二人称单(复)数You+are+doing+Sth. 第三人称单数He(She,it)+is+doing+Sth. 第三人称复数They+are+doing +Sth. 肯定句:主语+be(is/am/are)+现在分词 否定句:主语+be(is/am/are)+not+现在分词 一般疑问句:be(is/am/are)+主语+现在分词 特殊疑问句:特殊疑问词+相应be动词+主语+现在分词+Sth

变化规则: 1.直接+ ing(例:sleep+ing sleeping) 2.去掉不发音的e+ing(例:bite-e+ing biting) 3.重读闭音节,且末尾只有1个辅音字母,双写辅音字母+ing (例:sit+t+ing sitting) 4.特殊变化:die-dying,lie-lying,tie-tying 5.不规则变化 句型构成: 现在进行时 助动词be 动词的现在分词(ing形式)。 be的变化 在现在时中,be 要根据人称代词和名词的单复数不同,而分别使用am/is/are,即:I am/he/she/it 包括单数名词和不可数名词用is,you/we/they 包括复数名词用are. 注意:be 动词在现在时里算作“助动词”,翻译正在进行时的时候,be不能解释为“是”,否则不通顺。它只是和现在分词一起构成“进行时”。 现在分词加ing的规则 现在分词是在动词后加上ing 构成。如:starting,working, coming, sitting 等都是现在分词。现在分词的变化规则是固定的,大家用心记一下就可以了。

英语语法大攻克--过去完成时专项练

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