现在完成时系列讲解
现在完成时讲解(完整版)(共17张PPT)
4. My friends haven’t visited me ___s_in_c_efew days ago.
5. We haven’t used our car _____faorlong time .
I have planted all the trees. 注：主语假设是第三人称单数助动词用 has
finished 9. goes 10. have, found 11. is He’ll be back soon.
Where’s Li Ming ? He __________ (go) to the teacher’s office.
否认形式 haven’t ( have not 〕 +过去分词 I ________ (see) it last week.
Where’s Li Ming ? He __________ (go) to the teacher’s office.
hasn’t ( has not ) +过去分词 have, stayed 8.
have, finished
have, stayed
• 1. have, seen, saw 2. Has, finished 3. has, —Yes, I ___________ New York twice.
You have planted all the trees. since: (自…以来)
6. She hasn’t had a good cup of coffee _____yefaorrs.
7. Tom has worn glasses _______he was 7 years old. since
现在完成时的用法详解英语
• Is your father in ?
•
No, heha__s_g__o_n__e__t_o___ to Shenzhen.
•
H__a__s___he everb_e_e__n__ there before ?
•
Yes, heh_a_s__b_e__e_n_____ there several times
ago.
A. Did…copy…did
B. Have…copied…have
C. Have…copied…did D. Did …copy…had
5. “Why _A_____ she _______ angry ?”
“Because he _____ at her just now .”
A. did…get…shouted B. has…got…shouted
A. Have…gone to B. Have…gone in
C. Have…been to D. Have …been in
3. My brother _C___college for over three years.
A. has gone to B. has been to C. has been at
但是不能和表示一段时间的状语连用。
短暂性动词变延续性动词：
• join --- be in / a
2) comeb-e-- in / at
• 3) borrow ---keep 4) buy -h-a-ve
5) arrive ---be
6) leave b--e- away (from)
7) begin --b- e on
• It has been colds_in__c_e__ two weeks ago.
现在完成时讲解
现在完成时讲解LEKIBM standardization office【IBM5AB- LEKIBMK08- LEKIBM2C】现在完成时讲解一．基本结构：助动词have/has+过去分词(done)二．句型：否定句：主语+have/has+not+过去分词+其他. 一般疑问句：Have/Has+主语+过去分词+其他. 简略答语: Yes, 主语 + have/has.(肯定) No, 主语 + haven't/hasn't.(否定)三．用法（1）现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果I have spent all of my money (so far).(含义是:现在我没有钱花了.)Guo zijun has (just/already) come. (含义：郭子君现在在这儿)My father has gone to work.(含义是:我爸爸现在不在这儿)（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.①for+时段②since+过去一个时间点（译为：自从……以来）③since+时段+ago④since+从句（过去时）⑤It is+时段+since+从句（过去时）Mary has been ill for three days.I have lived here since 1998.四．has gone (to),has been (to), has been (in) 的区别Have/Has gone(to) :去了(现在不在说话现场)Where is your father？He has gone to Shanghai.Have/Has been (to) :去过（已不在去过的地方）My father has been to Shanghai.Have/has been in：呆了多久（还在所呆的地方）My father has been in Shanghai for two months. /since two months ago.五．现在完成时的标志1.现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义:* 以already, just和yet为标志He has already got her help.他已得到她的帮助。
现在完成时讲解通用课件
06
现在完成时的常见错误分析
混淆现在完成时和过去完成时
总结词
混淆现在完成时和过去完成时是常见的语法 错误之一。
详细描述
现在完成时和过去完成时在语法和意义上有 所不同。现在完成时表示一个动作在过去完 成，但对现在有影响；而过去完成时则表示 在另一个过去动作之前完成的动作。例如， “I have finished my homework” (我已 经完成了我的作业) 是现在完成时，而 “I had finished my homework before dinner” (我在饭前完成了我的作业) 是过 去完成时。
例句
I have finished my homework.（我已经完成 了我的作业。）
用法
现在完ห้องสมุดไป่ตู้时还可以表示过去发生的动作或状态持 续到现在，并可能继续下去。
例句
He has lived in this city for ten years.（他已经在 这个城市住了十年。）
用法
现在完成时可以与just、already、never、ever等 副词连用，表示不同的时间关系。
02
例句：Have you finished your homework yet?
用于现在完成时的常见时间状语
just：刚刚
例句：I have just eaten dinner.
用于现在完成时的常见时间状语
ever：曾经
例句：Have you ever been to Europe?
用于现在完成时的常见时间状语
忽略时间状语对现在完成时的影响
总结词
忽略时间状语对现在完成时的影响是常见的语法错误 之一。
详细描述
现在完成时通常与特定的时间状语连用，例如 “already” (已经), “yet” (还), “just” (刚刚), “before” (以前) 等。这些时间状语可以用来表示动 作发生的时间和持续时间，以及对现在的影响。例如 ，“I have already eaten” (我已经吃过了) 中的 “already” 表示动作已经完成。
现在完成时详解
现在完成时详解现在完成时是英语中的一种时态，用于表达与现在有关的过去动作或经历。
它由"have/has" + 过去分词构成。
一、用法：1. 表示过去发生的动作与现在的结果或影响。
例句：I have lost my key.（我把钥匙丢了，现在找不到了。
）They have finished their homework.（他们已经完成了作业。
）2. 表示从过去某一时间开始，一直持续到现在的动作或经历。
例句：She has lived in London for five years.（她在伦敦生活了五年了。
）We have known each other since we were kids.（我们从小就认识对方。
）3. 表示过去某一时间内发生的动作，但具体时间并不重要。
例句：Have you ever eaten sushi?（你吃过寿司吗？）He has traveled to many countries.（他去过很多国家。
）4. 表示刚刚发生的动作。
例句：I have just finished my dinner.（我刚吃完晚饭。
）Sorry, I have already booked the tickets.（抱歉，我已经订好票了。
）二、构成：现在完成时的构成是由助动词"have/has"加上过去分词形式构成的。
根据主语的人称和数的不同，使用不同的助动词形式。
1. 当主语为第一人称单数（I）或第三人称单数（he/she/it）时，使用"has"。
例句：She has studied English for two years.（她学习英语已经两年了。
）I have visited the museum.（我参观过博物馆。
）2. 当主语为第二人称单数（you）或任何人称的复数形式时，使用"have"。
例句：You have seen this movie before, haven't you?（你以前看过这部电影，是吗？）They have finished their work.（他们已经完成了工作。
初中现在完成时讲解ppt
since
for
since
for
since
练习题: 1.It's a long time since we ____ (meet) last, isn't it? 2.--I know you ___________ (choose) a picture book among these. --Yes,Have a look at it, please. 3.So far, spaceships without people ___________ (reach) the moon and some other parts of the universe. 4.My father____ home for nearly three weeks. A.has gone away from B.has left C.has been away from D.went away 5.Mr. and Mrs. Green have_____in China for a week. A.been B.got C.arrived D.reached
eg.--- I’ve lived here for 15 years. eg.--- I’ve lived here since 15 years ago(1990)
选用for和since填空: 1.We haven’t seen each other ______ a long time. 2.His father has been in the factory ______ 10 years ago. 3.The film has been on ______ 20 minutes. 4.Mr Green has worked here ______ he came to China. 5.His grandparents have been dead ______ several years. 6. It’s five years _______ we met last time
现在完成时ppt课件
过去完成时由“had+过去分词”构成，而现在完成时由 “have/has+过去分词”构成。
动作的完成情况不同
过去完成时表示动作在过去某一时间之前已经完成，而现在完成时 则表示动作在过去发生后对现在造成了影响或结果。
PART 05
现在完成时的常见错误
REPORTING
忽略现在完成时的使用场合
PART 03
现在完成时的特殊用法
REPORTING
与already连用的用法
总结词
already是现在完成时的常用副词之一，用于表达某件事情已经完成或已经发 生。
详细描述
在现在完成时中，already通常用于肯定句中，表示某件事情已经完成或已经发 生，常与have或has连用。例如，“I have already finished my homework.”（我已经完成了我的作业）。
总结词
不重视现在完成时的应用场景
详细描述
有些英语学习者在运用现在完成时的时候， 不注意它所适用的场合。现在完成时主要用 来描述过去发生的动作或状态对现在造成的 影响或结果，比如：“I have finished my homework”（我已经完成了我的作业）。
混淆现在完成时与一般过去时的使用场合
现在完成时ppt课件
REPORTING
• 现在完成时的定义和构成 • 现在完成时的基本用法 • 现在完成时的特殊用法 • 现在完成时与一般过去时的区别 • 现在完成时的常见错误 • 现在完成时练习题及答案解析
目录
PART 01
现在完成时的定义和构成
REPORTING
现在完成时的定义
现在完成时是英语语法中的一种时态 ，通常由助动词have/has + 过去分 词构成，用于描述过去发生的动作或 状态对现在产生的影响或结果。
现在完成时语法解释大全
现在完成时语法解释大全一、现在完成时的定义现在完成时是表示动作或状态发生在过去，但与现在有关联的一种时态。
这个时态强调对现在产生的影响或结果，常用于描述已经发生的事情，特别是与现在情况有关联的事情。
二、现在完成时的基本结构现在完成时的基本结构是“have/has + 过去分词”，其中“have/has”是助动词，表示现在完成时的时态。
“过去分词”是动词的过去形式。
三、现在完成时的常用时间状语现在完成时常用的时间状语包括：already（已经）、yet（尚未）、before（以前）、recently （最近）、lately（近来）、since（自从）、in the past few years（在过去的几年里）等。
四、现在完成时的否定形式现在完成时的否定形式是在助动词“have/has”前面加上“not”，即“have/has not + 过去分词”。
例如：“I haven't finished my homework yet.”（我还没有完成作业。
）五、现在完成时的疑问形式现在完成时的疑问形式是在助动词“ha ve/has”前面加上疑问词“have/has”，后面跟动词的过去分词，即“Have/Has + 主语+ 过去分词?”。
例如：“Have you finished your homework yet?”（你完成作业了吗？）六、现在完成时与一般过去时的区别现在完成时与一般过去时都表示过去发生的动作或状态，但它们的重点不同。
现在完成时强调对现在的影响或结果，而一般过去时只是简单地描述过去发生的事情，不涉及现在的状态。
例如：“I finished my homework an hour ago.”（我一小时前完成了作业。
）（用一般过去时）和“I have finished my homework now.”（我已经完成了作业。
）用现在完成时则强调现在不需要做作业了，对现在的情况产生了影响。
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John: Mum, I have already(已经) cleaned them.
Mother: John, clean your teeth please.
John: Mum, I have already cleaned them.
comb your hair ------ have combed it wash your hands ----- have washed them study for English test ----- have studied for it tell me the truth -----have told you everything visit your grandpa ----- have visited him listen to the English tape ----- have listened to it
They have built many buildings in this city.
3. Judy还没到达. (arrive-arrived) Judy hasn’t arrived yet. 4. 你吃过早饭了吗? 5. 她刚刚离开.
She has just left.
(have-had)
Have you had breakfast ? (leave-left)
抄写动词以及过去式和过去分词。 1.be-- was/were e— came--come did--done 3.go-- went--gone 4.do— 5.have-- had-had 6.drink— drank--drunk ate--eaten 7.give-- gave--given 8. eat– 9.know-- knew--known 10.make— made--made said--said 11.run-- ran--run 12.say— found--found 13.see-- saw-seen 14.find— got--got 15.draw-- drew--drawn 16.get— 17.hear-- heard-heard 18.begin— began--begun 19.buy-- bought--bought20.leave— left--left
learned English ?
had your watch? studied in our school ?
How long have you
had your current hairstyle(发型)? known your best friend? worn your glasses?
写出下列动词的过去式及过去分词 hit hit 13 hit______-______ became become 1 become_______-________ 14 hurt_____-______ hurt hurt broke broken 2 break_______-_________
二: 用法: 1)现在完成时表示过去发生的动作,并对现在有影响。 Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my hands. (手是干净的)
Maggie moved to Hawaii in 1996. Maggie has lived in Hawaii for about 8 years.
现在完成时 二: 用法: 2)现在完成时表示从过去一直持续到现在的动作或状态。 She has learned English for 5 years. He has lived in Beijing since ( 自从)he was born . Have you stayed here since ( 自从) 3 o’clock? 常与for, since引导的时间短语或从句连用. for+ 时间段 since+时间点 , since+ 句子
3 bring _______-________ brought brought 15 keep_____-______ kept kept built built 4 build_______-_________ lent lent 16 lend______-_____ bit bit 5 bite_______-_________ caught caught lost lost 17 lose______-______ 6 catch_______-_________ 7 choose________-_______ chose chosen 18 meet_____-______ met met 8 cut________-__________ cut cut 19 put______-______ fell fallen put put 9 fall_______-__________ flew flown 10 fly_______-__________ read read 20read______-_____ forgot forgotten 11 forget_______-_______ rang rung 21 ring______-______ grew grown 12 grow________-_______
现在完成时
Dora
If winter had?
冬天来了，春天还会远吗？
现在完成时 ( present perfect tense)
past
present(now)
future
do my homework
Mother: John, clean your teeth please.
since: (自…以来)
1)since+时间点 He has stayed here since 5 o’clock. 2)since+ 时间段+ ago He has stayed here since 5 hours ago.
Take notes
3)since+ 从句
She has taught English since he came here.
carry some water for the old man ----has carried some boil some water ---- has boiled some make some coffee ---- has made some call Mr. Smith ---- has called him mend the shirt ---- has mended it dry her hair ----has dried hers
常与already(已经), yet(已经), just(刚刚),ever(曾经)等词连 用. already: 常用于肯定句中. yet: 常用于否定句,疑问句尾.
Translate the following sentences.
1. 你已经找到你的书了吗?
(find-found)
Have you found your book yet? 2. 他们在这个城市建了许多房子. (build-built)
常与for, since引导的时间短语或从句连用.
What has just happened to him ? He has just lost his job.
What has just happened to her ? She has just got a love letter .
since , for 的用法:
for: (长达）
for+ 时间段 He has kept the book for 2 weeks.
用for 或since填空
1. Mr. Brown has had his TV ________ for 15 years.
2. I’ve taken driving lessons _________ last month. since for 3. My sister has had her cell phone ________ a month . since 4. My friends haven’t visited me ___________ my birthday. for 5. We haven’t used our car ________ a long time . for 6. She hasn’t had a good cup of coffee _________ years. since 7. Tom has worn glasses _________ he was 7 years old.
现在完成时
一.构成: have/ has + done (过去分词) 过去分词(pp)其变化方法和动词过去式基本相同。有部分 不同，需要记好。 二: 用法: 1)现在完成时表示过去发生的动作,并对现在有影响。 I have just called him. 常与already(已经), yet(已经), just(刚刚),ever(曾经)等词连用. 2 表示从过去已经开始，持续到现在的动作或状态。 He has worked in this school since he came here.
现在完成时
一.构成:
have/ has + done (过去分词)
过去分词(pp)其变化方法和动词过去式基本相同。 有部分不同，需要记好。 He has lived in Shenzhen for 4 years.
Has he lived in Shenzhen for 4 years?