1、I (have taught) here since I finished school.
由于有表示從過(guò)去一直到現(xiàn)在的從句 since...,要用完成時(shí)態(tài)表示.
2.Would you mind (using) your bike?
mind 后的賓語(yǔ)必須用動(dòng)名詞.
3.The students of Class Two (are sweeping) their classroom now.
now 指此刻,用進(jìn)行時(shí)態(tài),students 是復(fù)數(shù),用 are.
4.The Reads (were not listening) to the radio at that time.
過(guò)去進(jìn)行時(shí),The Reads 指的是李茲全家人,表示復(fù)數(shù).
5.It's better to give than (receive).
to give 和（to）receive 是由 than 并列的兩個(gè)不定式,后面的不定式省去 to.
6.How long （have）you (lived) in this town?
問(wèn)的是從過(guò)去到現(xiàn)在住了多久,用完成時(shí)態(tài)表示.
7.You (came) here last year,didn't you?
last year 指過(guò)去,肯定的過(guò)去式 came 在反意疑問(wèn)句中否定詞 didn't呼應(yīng).
8.When （did）you (saw) him?
I (saw) him last Sunday.
連詞 when 和 last Sunday 都表示過(guò)去,用一般過(guò)時(shí)態(tài).
9.She said that the car(would be used) the next week.
the next week 表示將來(lái),主句 said 指過(guò)去,車是被用的,因此用過(guò)去將來(lái)的被動(dòng)語(yǔ)態(tài).
10.I didn't know what (had happened) to China in a century.
主句用了過(guò)去時(shí)態(tài),從句指從過(guò)去的過(guò)去一直到說(shuō)話的時(shí)候發(fā)生的事情,所以用過(guò)去完成時(shí)態(tài).
11.When I got to the station,the train （had） already______(left).
到達(dá)車站發(fā)生在過(guò)去,火車開(kāi)在到達(dá)以前,指過(guò)去的過(guò)去.
12.The stone bridge (has been built) in our hometown for ten years.
石橋十年前動(dòng)工開(kāi)始一直被持續(xù)到現(xiàn)在,現(xiàn)在完成被動(dòng)語(yǔ)態(tài).
13.The desk must (be cleaned) once a day.
桌子是被清理的,被動(dòng)語(yǔ)態(tài).
14.The dog (lay) on the floor when I came in.
進(jìn)去時(shí)是過(guò)去,狗臥在地板上也應(yīng)該是過(guò)去.
15.Mary said that she (would visit) her aunt the next week.
訪問(wèn)發(fā)生在 Mary said 以后,指過(guò)去將來(lái).
16.Her mother (was cooking) at this time yesterday.
at this time yesterday 意思是“昨天的此時(shí)此刻”,表示過(guò)去進(jìn)行.
17.The students (are doing) their homework.(They are not making) any noise!
學(xué)生正在做作業(yè)而不是正吵鬧.
18.（Have）you ever (been) to Beijing?
Yes.I (went) there last week.
問(wèn)句說(shuō)的是從過(guò)去到現(xiàn)在的經(jīng)歷,完成時(shí)態(tài)；答句指的是去年,用過(guò)去時(shí)態(tài).
19.He'll telephone us as soon as he（arrives) there.
時(shí)間狀語(yǔ)從句中用現(xiàn)在時(shí)態(tài)表示將來(lái).
20.Jiefang trucks (are made) in Changchun.
制造汽車是經(jīng)常性行為,有時(shí)被制造的,所以用一般現(xiàn)在時(shí)的被動(dòng)語(yǔ)態(tài).
21.A pen is used for (writing).
for 是介詞,后面要求動(dòng)名詞.
22.Would you mind (using) your bike?
重復(fù)題目
23.It's better to give than (receive).
重復(fù)題目
24.They find it useful (to learn) English.
it 是形式賓語(yǔ),指代不定 to learn English
25.The old man often (tells) the children a story in the evening.This evening he (told) two stories .
第一空指經(jīng)常講故事,第二空指已經(jīng)成為過(guò)去的今天晚上.
26.The radio (is used) once in a week in our class.It (was not used) yesterday because there was something wrong with it.
第一空一周一次是經(jīng)常性地被使用行為.第二空指成為過(guò)去的昨天沒(méi)被使用.
27.Would please tell us how (to make) the watch (work)?
第一空屬于句型 tell sb.to do sth.； 第二空屬于句型 make sth./sb.do sth.(make 后的不定式賓語(yǔ)補(bǔ)足語(yǔ)不能帶 to).
28.She doesn't know what (to do) and where (to go).
帶有 what 和 where 的不定式作 動(dòng)詞 know 的賓語(yǔ).
29.My friend can't decide which pair of trousers (to choose).So she asked me to go shopping with her.
不定式作 pair of trousers 的后置定語(yǔ).
30.All that must be done (has been done).
that must be done 是定語(yǔ)從句,all應(yīng)該視作單數(shù).下面改寫(xiě)為兩個(gè)簡(jiǎn)單句：
1） All has been done.一切都被做過(guò)了
2） that must be done 那些必須要被做的