《八年级英语(外研版)》巩固练14 八下现在完成时(二)
2019-2020 学年下学期【重温教材·暑假作业】
八年级下英语(外研版)
现在完成时(二)
————瞬间动词的现在完成时“转换”专题
瞬间动词可以有现在完成时,但是不能和表示一段时间的状语连用。如和表示一段时间
的状语连用则需要把短暂性动词换成延续性动词或表示状态的短语。
常见瞬间动词有:buy, die, join, come,go ,leave, join ……等,他们的现在完成时态不能与
for..., since...,或 how long 等表示时间段的状语连用。短暂性动词变成延续性动词或表示状
态的短语常见做法有如下几种:
一、短暂性动词变成表示状态的动词。
buy----have
borrow -----keep
come/arrive/reach/get to-----be in
go out----be out
leave ----be away
begin-----be on
finish----be over
open----be open
close -----be closed
die----be dead
例句:
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
1
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.
二、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
三、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
四、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
3.“be in/at +地点”代替 move to
常用瞬间动词变延续性动词一览表:
1. have arrived at/in sw. got to/reached sw. come/gone/moved to sw.
→have been in sw./at…相应的介词
2. have come/gone back/returned → have been back
3. have come/gone out →have been out
4. have become → have been
2
5. have closed / opened→ have been close/open
6. have got up → have been up;
7. have died → have been dead;
8. have left sw. → have been away from sw.
9. have fallen asleep/got to sleep → have been asleep;
10. have finished/ended/completed → have been over;
11. have married → have been married;
12. have started/begun to do sth. → have done sth. ;
13. have begun → have been on
14. have borrowed/bought →have kept/had
15. have lost → haven’t had
16. have put on →have worn
17. have caught /get a cold → have had a cold;
18. have got to know → have known
19. have/has gone to → have been in
20. have joined/have taken part in the league/the Party/the army
→have been a member of/ have been in/have been the Party’s member/the league member/the
soldier…
配套练习
一、 单项选择。
1、Both his parents look sad. Maybe they _________what's happened to him .
A. knew B. have known C. must know D.will know
2、He has _______ been to Shanghai , has he ?
A. already B.never C.ever D. still
3、Have you met Mr Li ______?
A. just B. ago C.before D. a moment ago
4、The famous writer _____ one new book in the past two years .
A. is writing B.was writing C.wrote D.has written
5、—Our country ______ a lot so far .
3
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