冀教版九年级上册Unit 1 Stay Healthy Unit1 Review 课件(共19张PPT)

(共19张PPT)
When you are going to water the plants, you find they have been watered . You don’t know who watered them and when they were watered. You ask:
S: -Have you watered the plants
T: -Yes, I________. You don’t have
to water them.
S: -When did you water them
T: -I ________them a moment
ago.
have
watered
现在完成时
※用法一
1层: just already yet
2层; before ever never once( twice、 three times……）
have/has been to+某地
have/has gone to+某地
have/has been in /at+某地
现在完成时与一般过去时的区别
※用法二
since for
用延续性动词 表示短暂性动词
现在完成时
★构成：助动词have/has +V（过去分词）…
肯定句：
否定句：
一般疑问句：
主语+ have/has +V（过去分词）…
主语+ have/has+not +V（过去分词）…
(have+not/has+not=haven’t/hasn’t)
Have/Has+主语+V（过去分词）…
Yes,主语+ have/has .
No,主语+ haven’t/hasn’t
现在完成时
用法一：表示过去发生或完成的动作对现在造成的影响或结果。
※ 1层 表“完成”，用一个字“了”代表，副词常用 just already yet
※ 2层 表“经验”，用一个字“过”代表，副词常用 before ever never once( twice、 three times……）
I have already had breakfast.
I haven’t had breakfast yet.
Have you had breakfast yet
He has just left.
1层: already“已经”常用于肯定句（句中或句末），yet常用于否定句 “还”和一般疑问句“已经”（都位于句末）。
just“刚、刚刚”（位于句中）
2层：before 以前 ever 曾经 never从没有 once一次( twice两次,three times三次……）
他以前从未开过车。
He has never driven a car before.
这首歌我们已经唱了两遍
We have sung the song twice.
你曾经喂过动物吗？
Have you ever fed the animals？
Practice(用already just yet never ever 填空）
1. I have _______ seen him before, so I have no idea about him.
2. Jack has _________ finished his homework.
3. I’ve _________ had some photos taken. 我刚照了几张相。
4. “Have you ________ seen the film ” “No, I
have ________ seen it.”
5. “Has the bus left _______ ”
“Yes, it has _______________ left.”
never
already
just
ever
never
yet
already/just
have/has been to+某地(去过某地)
have/has gone to+某地(去了某地)
have/has been in /at+某地+for+
一段时间(在某地待了多长时间)
She has been abroad twice.
---Where is she ---She has gone to Europe.
He has never been to Shanghai .
He has gone home.
The boy has been there for 3 days.
---How long have you been in this town
---I have been here since 7 years ago.
注意
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两个动作都发生在过去，现在完成时指过去的动作对现在的影响，不强调时间；而一般过去时强调过去时间发生的动作。
【根本的区别就是：过去的时间状语不能用于现在完成时，包括疑问词when。】
改错：
I have fed the dog just now. ( )( )
When have you seen this film
( ) ( )
have fed
fed
have you seen
did you see
现在完成时
用法二:表示动作发生在过去，并且一直持续到现在，有可能继续。常与一段的时间连用。（由介词for和since表示，其他的副词有recently近来, in the past/last few years在过去的几年里，so far到目前为止)
For+一段时间(for two years, for a long time)
+ 过去的时间（last year, two
since years ago, 2015,yesterday……)
+时间状语从句(一般过去时态）
It +is/has been+一段时间+since的用法
1.______two years 2.________two years ago
3._______last month 4.______ 1999
5._______yesterday 6._______ 4 o’clock
7.______an hour
8. I’ve known him ______ we were children.
9. Our teacher has studied Japanese ______
three years.
10. It’s about ten years __________ she left
the city.
用for或since填空
for
since
since
since
since
since
for
since
for
since
当堂训练
短暂性动词和延续性动词
延续性动词：teach, live, stay, have, stand, play, sleep, write…
短暂性动词: go, come, arrive, leave, begin, start, get up, open, close, die, marry, borrow, buy, join…
★短暂性动词不能和表示一段的时间状语连用。包括疑问词how long
用表示延续的动词代替短暂性动词
go/come/arrive--be in/at(去/来/到达)；
leave--be away(from）(离开);
begin/start—be on(开始); get up—be up(起床); open—be open(打开);
close—be closed(关); die—be dead(死);
marry—be married(结婚);
borrow—keep(借阅); buy—have(买);
join—be in+团体/be a…member(参加)
1.The old man _________ last year. He has
_____ ______for a year. (die) （动词填空）
2. Miss Gao left an hour ago. (同义句转换) →Miss Gao has _______ ________ ________
an hour ago.
3. My brother joined the Army three years ago. →My brother ______ ______ ______the Army _____ three years ago.
→ My brother ______ ______ a solider ______ three years.
4.这本书我可以借阅多长时间？
____ _____have I _____ the book
died
been dead
been away since
has been in
since
has been
for
How long
kept
当堂训练
直击中考
1.What a nice watch! How long ____you____it
--For just two weeks.
A. will; buy B. have;had C. were; having D. did;buy
2. I _____the History Museum twice. I’ve learned a lot there.
A. visit B. am visiting C. have visited D. Will visit
3. He______the city since he graduated from college.
A. has left B. left C. has been away from D. leaves
4. My mother ______a good example for me since I was young.
A. was B. has been C. will be D. is
5.This medicine ______ million of people’s lives since it was put into use.
A.is saving B. will save C. had saved D. has saved
B
D
C
C
B
※用法一
1层: just already yet
2层; before ever never once( twice、 three times……）
have/has been to+某地
have/has gone to+某地
have/has been in /at+某地
现在完成时与一般过去时的区别
※用法二
since for
用延续性动词 表示短暂性动词