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(共17张PPT)
01
02考点讲解
现在完成时 VS 一般过去时
1.习题回顾
2. 课程引入
3. 区别：
3.1 含义的区别
3.2 结构的区别
3.3 标志词&时间状语的区别
4. 课程总结
01
课程引入
内容讲解
实战演练
课后总结
习题回顾
（ ）1. I____ my homework at 7:00 yesterday evening.
A. finished B. would finish C. was finishing D. finish
( )2.Mark in China for 10 years， now he teaches Chinese in Britain.
A. has worked B. worked
C. had worked D. is working
A
A
01
课程引入
内容讲解
实战演练
课后总结
课程引入
Now, I am a teacher.
23 years ago, I was a child.
一般过去时表示过去发生的动作或存在的状态。
01
课程引入
内容讲解
实战演练
课后总结
内容讲解
一、定义：一般过去时表示过去发生的动作或存在的状态。
一般过去时：
二、时间标志词：明确的过去时间
just now, yesterday，
two days ago, last week, in 1998,
the day before yesterday, this morning...
内容讲解
The boy opened the door.
The boy has opened the door.
课程引入
内容讲解
实战演练
课后总结
The boy opened the door.
The door is open now.
past
now
The boy has opened the door.
现在完成时表示过去发生的动作对现在造成的影响或结果。
内容讲解
课程引入
内容讲解
实战演练
课后总结
She wrote some letters
on the blackborad.
There were some words
on the blackboard now.
past
now
She has written some letters on the blackborad.
future
表示过去发生的动作对现在造成的影响或结果。
课程引入
内容讲解
实战演练
课后总结
01
内容讲解
一、定义：表示过去发生的动作对现在造成的影响或结果。
现在完成时：
二、时间标志词：模糊的过去时间
already, yet, just,
since+时间点，for+一段时间，before,
three times, have been to，have gone to...
课程引入
内容讲解
实战演练
课后总结
past
now
future
现在完成时
一般过去时
一般过去时表示纯粹发生在过去的事情。
现在完成时表示从过去某个时间开始，并持续到现在的动作、状态；
或者过去发生的动作对现在造成的影响。
内容讲解
【1.含义的区别】
课程引入
内容讲解
实战演练
课后总结
01
内容讲解
【2.结构形式的区别】
现在完成时 一般过去时
肯定 主语+have / has+过去分词 主语+动词过去式 + sth.
主语+was/were+表语
否定 主语+have/has not done sth. (have not=haven't; has not=hasn't) 主语+did not +动词原形 + sth.
主语+was/were not+表语
疑问 1)一般疑问句： Have/Has+主语+done sth 2)特殊疑问句： 特殊疑问词+一般疑问句 1)一般疑问句：
Did+主语+动词原形+sth
Was/Were +主语+表语？
2)特殊疑问句：
特殊疑问词+一般疑问句
区别 一般过去时 现在完成时
⑤动词变 化形式 1.规则变化 1.规则变化（同过去式相同）
I. 词尾+ed e.g. play-played I .词尾+ed e.g. play-played
II. 以e结尾+d e.g. live-lived II. 以e结尾+d e.g. live-lived-lived
III. 辅音字母+y，变y为i再+ed e.g. study-studied III. 辅音字母+y， 变y为i再+ed
e.g. study-studied-studied
IV. 辅元辅且重读， 双写尾字母再+ed e.g. stop-stopped IV. 辅元辅且重读，双写尾字母再+ed
e.g. stop-stopped-stopped
使用词类的不同
区别 现在完成时 一般过去时
⑤动词变 化形式 ⑵不规则变化 ⑵不规则变化
I. AAA：原形过去式过去分词相同 e.g. read-read-read I . i→a e.g. sit-sat drink-drank ring-rang
II. ABB： e.g. buy-bought-bought ll. o→e e.g. blow-blew grow-grew know- knew
III. ABC: e.g. eat-ate-eaten III. i→o e.g. drive-drove rise-rose ride-rode
IV. ABA：e.g. become-became-become IV. 原形 e.g. cut-cut let-let put-put read-read
V . AAB：e.g. beat-beat-beaten V. 其他
e.g. do-did go-went hide-hid is-was are-were have-had take-took lose-lost eat-ate speak-spoke break-broke see-saw wake-woke fly-flew find-found keep-kep get-got draw-drew fall-fell feel-felt sleep-slept
时间状语的不同
现在完成时（模糊） 一般过去时（具体）
1.常被just,already,yet等副词修饰 1.时间点：
yesterday,this morning,just now,a moment ago,at that time
2.常带有for+时间段、since+时间点等表一段时间的状语 2.时间段：
once upon a time，the other day，in the past，ago,in+过去的年份/月份,in+过去的年份/月份,last+时间
3.常带有twice,ever,never,three times等时间状语 3.持续时间：
used to
内容讲解
【实战演练】
(　　)1.Tony ________ football every weekend when he was young.
A．plays B．played C．is playing D．has played
(　　)2.—Do you know the boy over there —Sure. I________ him for years.
A．knew B．will know C．have known D．known
(　　)3.—____ you____your homework yet —Yes . I _____ it a moment ago .
A.Did ; do ; finished B.Have ; done ; finished
C.Have ; done ; have finished
B
C
B
课程引入
内容讲解
实战演练
课后总结
内容讲解
【实战演练】
( )4. A: ________ you _______ the football match yesterday
B: Yes, I did. It was great.
A. Did; see B. Have; seen C. Will; see D. Were; seen
( )5. A: ________ you at home yesterday evening
B: Yes, I _________ with my mother
A. Were ; were B. Was ; was C. Were ; was D. Was ; were
( )6. A: Why not go to see the dolphin show with me
B: No, let’s go home. Because I ________it twice .
A. saw B. will see C. see D, have seen
A
C
C
课程引入
内容讲解
实战演练
课后总结
内容讲解
【课后总结】
区别 现在完成时 一般过去时
①定义 表示过去发生的动作对现在产生的影响 表示过去发生的动作或状态，对现在无影响
②结构 主语+have / has+过去分词 主语+动词过去式+其他
③例句 I have already had lunch. 我已经吃过午饭了。 (现在是饱的) I had lunch three hours ago.
我三小时前吃过午饭。
(现在是饿饱不清楚)
④时间 状语 模糊的过去时间：already, yet, just, since+时间点，for+一段时间，before, three times, have been to，have gone to... 明确的过去时间：just now, yesterday，
two days ago, last week, in 1998,
the day before yesterday, this morning...
课程引入
内容讲解
实战演练
课后总结
( ) 1. Her father ______in1990 and her husband ______for more than five years.
(A) died ,dead (B) has died, dead
(C) died ,has been dead (D) has died, has died
( ) 2. I have _____this nice watch for two years.
(A) had (B) bought (C) borrowed (D) lend
( ) 3.He _____his home for ten years.
(A)has left (B)left from
(C)has been away from (D)was away from
( ) 4.He _____a league member for three years
(A)is (B)has been (C)has become (D)have become
课后练习：
C
A
C
B

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