人教版英语过去完成时复习及解析

人教版英语过去完成时复习及解析

一、初中英语过去完成时

1．—I ______ know you can play the piano so well.

—Thank you.

A. didn't

B. don't

C. can't

【答案】 A

【解析】【分析】句意：——我不知道你钢琴弹得那么好。——谢谢。A. didn't不，一般过去时态，指过去的状态及过去发生的动作；B. don't不，一般现在时态，指经常性、习惯性的动作；C. can't不能，指能力；不可能，表示否定的推测。根据语境，说话时我已知道你钢琴弹得好，不知道是过去的状态，用一般过去时，故选A。

2．Mary thought of the party which she___________ for this day.

A. plan

B. planned

C. had planned

D. would plan

【答案】 C

【解析】【分析】句意：玛丽想起了她今天计划的聚会。plan的动作发生在thought of的动作之前，表示过去的过去，要用过去完成时had+过去分词。故选C。

【点评】考查过去完成时的构成和用法。注意过去完成时表示过去的过去含义。

3．— Jim, why didn't you go to Beijing by train?

— Bad luck! When I got to the station, the train ________.

A. left

B. had already left

C. has already left

D. has been left

【答案】 B

【解析】【分析】句意：——吉姆，你为什么不坐火车去北京呢？——真倒霉！我到车站时，火车已经开走了。根据When I got to the station 可知，到那是过去时，离开是过去的过去，使用过去完成时，had done，故选B。

【点评】考查时态，注意过去的过去是过去完成时的用法。

4．By the time he at the railway station, the train .

A. had arrived; had left

B. arrived; had left

C. arrived; left

D. had arrived; has left 【答案】 B

【解析】【分析】由语境可知，到达火车站发生在火车离开之后，故排除A、D两项。by the time引导时间状语从句，从句用一般过去时，主句则用过去完成时，故选B。

【点评】本题考查过去完成时的用法。

5．My grandparents for fifty years by the time My sister was 15.

A. married

B. had married

C. had got married

D. had been married

【答案】D

【解析】【分析】句意：到我妹妹十五岁的时候，我的祖父母已经结婚五十年了。根据for fifty years 五十年和be动词was，可知是表示一段时间的状语，谓语动词具有持续性，用过去完成时had been married“结婚”表状态。故选D。

【点评】本题考查过去完成时，注意通过时间状语及动词判断句子的时态。

6．The little boy me a few minutes before his mother showed up.

A. stares at

B. has stared at

C. looks at

D. had stared at

【答案】 D

【解析】【分析】句意：这个小男孩在他妈妈出现之前一直盯着我。根据stare这个动作发生在他妈妈showed up出现之前，是过去的过去，可知用过去完成时had+过去分词。故选D。

【点评】本题考查过去完成时，熟记过去完成时的结构had+过去分词。

7．Tom by the time I got to the party.

A. left

B. was leaving

C. had left

D. has left

【答案】 C

【解析】【分析】句中有“b y+过去时间”作时间状语，提示谓语动同用过去完成时，即“我到达”和“他离开”，后者发生在前者之前，即“过去的过去”，因此，后者用过去完成时。故选C。

【点评】本题考查过去完成时的用法。

8．By the time of last year, she the piano for five years.

A. learnt

B. has learnt

C. had learnt

D. will learn

【答案】C

【解析】【分析】句意：到去年的时候，她已经学了五年钢琴了。由时间状语By the time of last year可知这里是指在这个时间之前已经完成的动作，应该用过去完成时：had+动词的过去分词。故答案为C。

【点评】考查过去完成时。掌握过去完成时的构成和用法。

9．—Did you see Tom at the party?

—No, he _________ by the time I got there.

A. left

B. was leaving

C. had left

D. has left

【答案】 C

【解析】【分析】句意：——在聚会时你见了汤姆了吗？——没有，我到达的时候他已经离开了。got，一般过去时，离开在到达之前已经发生了，因此使用过去完成时，故答案是C。

【点评】考查过去完成时，注意过去完成时表达的是过去的过去。

10．By the time I got back to school, the bell______.

A. rang

B. has rung

C. had rung

【答案】 C

【解析】【分析】句意：当我返回到学校时，铃早响了。By the time…,在……时间前，经常用于过去完成时态。过去完成时态，表示动作发生在过去的过去。铃响发生在过去的动作回到学校之前，所以用过去完成时态。 A. rang一般过去时态；B. has rung现在完成时态；

C. had rung过去完成时态。故选 C。

11．By the end of last week, she ______in the west of China for two months helping the homeless children.

A. will stay

B. has stayed

C. would stay

D. had stayed

【答案】 D

【解析】【分析】句意：直到上周末，她已经待在中国西部两个月帮助那些无家可归的孩子们。根据时间状语By the end of last week到上周末为止，可知本句描述的是过去某时之前已经完成的动作，故用过去完成时态，故选D。

【点评】此题考查动词的时态。根据时间状语确定句子的时态。

12．The film when I got there．

A. was on

B. has been on

C. had begun

D. has begun

【答案】 C

【解析】【分析】题中“I got there”表现的是过去时，且题意表达已经开始故为过去完成时，故选C.

【点评】此题考查过去完成时。

13．He said that ________.

A. he has finished his work already

B. he had finished his work already

C. has he finished his work already

D. had he finished his work already

【答案】B

【解析】【分析】句意：他说他已经完成他的工作了。说之前就已经做完工作了，said是过去式，所以完成工作是发生在过去之前，所以用过去完成时，结构是had+动词过去分词，排除A、C。said后面跟的是宾语从句，从句句子结构应该也是主语+谓语+宾语，所以排除D，故选B。

【点评】考查过去完成时，注意其定义的理解。

14．By the first day of August, 2007, the PLA ________ for eighty years.

A. founded

B. has founded

C. has been found

D. had been founded

【答案】 D

【解析】【分析】句意：到2007年8月1日为止，中国人民解放军已经成立了80年了。句中有by+过去的时间，表示到…为止，句子用过去完成时，found成立，故选D

【点评】动词的时态是学习英语过程中非常重要的知识。现在完成时表示动词在过去发生对现在造成的影响。现在完成时往往和already,yet,for+一段时间，since+点时间的时间状语连用。过去完成时表示动作发生在过去的过去，句子中强调过去的动作对现在造成的影响。

15．By the time the alarm clock went off, My mother had already _________.

A. wake me up

B. wake up me

C. waken up me

D. waken me up

【答案】 D

【解析】【分析】句意：闹钟响时，我妈妈已经把我叫起来了。根据句意，动词应用过去完成时，用had +动词的过去分词。wake up是动副结构，代词作宾语必须放中间，故选D。

【点评】考查本单元的目标句型，只要熟练背诵句型，找出答案很简单。

16．— What do you think of the young lady?

— She is hard-working. She ________ all her effort into her work before she got ill.

A. has put

B. put

C. had put

D. would put

【答案】 C

【解析】【分析】句意：——你认为这位小姐怎样？——她很勤奋。她生病前把她所有的精力都投入到她的工作中。根据时间状语从句before she got ill.可知主句动作是过去的过去，该用过去完成时态：had+过去分词，故答案为C。

【点评】考查过去完成时。理解句意并掌握过去完成时表示过去的过去，构成为：had+过去分词。

17．When I got to school, I realized I ______ my backpack at home.

A. left

B. had left

C. forgot

D. had forgotten

【答案】 B

【解析】【分析】句意：当我到学校时，我才意识到我把双肩包落在家里了。把…落在…用leave，又因为是过去完成时，故选B。

【点评】考查把…落在…的用法。熟背句型。做题就很容易。

18．By the time I ________ on the TV, Beckham ________ two goals．

A. turned; have scored

B. turned; had scored

C. had turned; have scored

D. had turned; had scored

【答案】 B

【解析】【分析】句意：当我打开电视的时候，贝克汉姆已经进了两个球。本句是时间状语从句，by the time到…时候为止，用于一般过去时，可排除CD选项。从句用一般过去时，主句用过去完成时，需用“had+过去分词”结构，可排除A；根据句意结构，可知，故选B。

【点评】考查动词时态辨析题。

19．Sue didn't go to see the film with us last week because she ________________ it with her mother.

A. has seen

B. had seen

C. will see

D. saw

【答案】 B

【解析】【分析】句意：苏上星期没和我们一起去看电影，因为她和她妈妈一起看过了。

A.已经看了，现在完成时；

B.已经看了，过去完成时；

C.将看，一般将来时；

D.看了，一般过去时。Sue和妈妈看了电影的影响是上周Sue没有和我们看电影，所以用完成时，根据didn't可知是与过去有关，所以用过去完成时，结构是had+动词过去分词，see的过去分词是seen，故选B。

【点评】考查过去完成时，注意平时识记其结构，理解句意。

20．The bus ______ for five minutes when Tim arrived at the station.

A. went

B. has left

C. had left

D. had been away

【答案】D

【解析】【分析】句意：当迪姆到达车站时，公交离开了五分钟了。表示到达车站前已经发生或完成的动作，句子用过去完成时态；leave是一个非延续性的动词，不能与表示一段时间的状语for…连用，可以表达成be away，形容词表示状态，可以与表示一段时间的状语连用。故选D。

【点评】本题考查过去完成时以及延续性动词的用法。

21．Rose and Minnie ________ each other pretty well before they worked in the same bank.

A. knows

B. know

C. have known

D. had known

【答案】 D

【解析】【分析】句意：罗斯和米妮他们在同一个银行工作以前就认识了。根据时间状语before they worked in the same bank可知，认识是在同一个银行工作之前，worked是过去时，所以，空白处指过去的过去，用过去完成时：had+过去分词，故答案为D。

【点评】考查过去完成时。掌握过去完成时的意义：表过去的过去；构成：had+过去分词。

22．— your father a newspaper when you got home?

— No， .

A. Was； reading； he was

B. Did； read； he did

C. Was； reading； he wasn't

D. Did； read； he didn't

【答案】C

【解析】【分析】句意：—当你到家的时候，你爸爸正在读报纸吗？—不，没有。此题考查在过去的某个时间发生的事情，用过去进行时,其结构为was/were doing，其疑问式为提前be动词，否定式回答为：No，主语+be动词后加not。根据句意，故选C。

【点评】考查一般疑问句的构成和回答，过去进行时态，根据时间状语选择合适的时态。

23．She ______ to go to school earlier, but she forgot to get up.

A. plans

B. planned

C. had planned

D. has planned

【答案】C

【解析】【分析】句意：她本来打算早点上学，但是她忘记起床了。动词plan用过去完成时来表示过去未曾实现的想法，希望，打算或意图等。故选C。

【点评】考查过去完成时。

24．– Were you late for work yesterday morning?

– Yes. By the time I got to the bus stop, the early bus .

A. has already left

B. is already left

C. had already left

【答案】 C

【解析】【分析】句意：昨天上午你上班迟到了吗？——是的，等我到达公交车站的时候，早班车已经开走了。结合语境可知下文描述的是过去某时前已经完成的动作，故用过去完成时态。选C。

【点评】英语中的时态主要是借助于时间状语与上下文语境来进行判断。解答此类题型，首先要注意句子中的时间状语，如果没有则要通过分析上下文，结合语境来判断句子的时态。英语疑问句中一般具有时态上的对应关系，注意结合这一特点进行区分。

25．I you could come.

A. hope

B. had hoped

C. have hoped

D. are hoping

【答案】B

【解析】【分析】句意：我本来希望你能来。动词hope用过去完成时来表示过去未曾实

现的想法，希望，打算或意图等。故选B。

【点评】考查过去完成时。

26．We to be able to come and see you.

A. had hoped

B. hope

C. have hoped

D. are hope

【答案】A

【解析】【分析】句意：我们本来希望能来看看你。动词hope用过去完成时来表示过去

未曾实现的想法，希望，打算或意图等。故选A。

【点评】考查过去完成时。

27．The movement of boycotting（联合抵制）the South Korean goods in whole China

_______ for a few months by the time Lotte Group（乐天集团）agreed to provide land for USA.

A. had been on

B. had begun

C. has been on

【答案】 A

【解析】【分析】句意：到乐天集团为美国提供土地为止，政府在全中国联合抵制韩国货

物已经开始了一段时间。by +过去时间状语和过去完成时连用，可知句子时态要用过去完

成时，begin为瞬间动词，不能与一段时间连用。故选A。

【点评】此题考查过去完成时。注意和过去时间状语连用。

28．I ________ to go to Beijing the next day.

A. plans

B. planned

C. had planned

D. has planned

【答案】C

【解析】【分析】句意：我本来计划着第二天去北京。动词plan用过去完成时来表示过去

未曾实现的想法，希望，打算或意图等。故选C。

【点评】考查过去完成时。

29．By the end of last year they _________ thousands of orange trees on the mountains.

A. had planted

B. have planted

C. were planting

D. would plant

【答案】 A

【解析】【分析】句意：到去年末，他们已经在山上种植了上万棵橘子树。根据By the

end of last year，可知句子时态为过去完成时，因此用had planted，故答案是A。

【点评】考查过去完成时，注意识记与过去完成时想搭配的时间状语。

30．– What were you doing when I called you last night?

– I ______ my homework and was going to bed.

A. did

B. had done

C. was doing

【答案】 B

【解析】【分析】had+动词过去分词构成过去完成时，表示的是过去的过去，答语中go

to bed是过去将来时，do my homework发生在go to bed之前，即过去的过去，要用过去

完成时had done my homework.句意：昨天我给你打电话的时候，你正在做什么？我完成作

业正要去睡觉。故选B。

【点评】考查过去完成时的用法。

31．I asked your mother if she that dress.

A. bought

B. had bought

C. had buyed

D. buy

【答案】 B

【解析】【分析】句意：我问你妈妈她是否买了那件裙子。本句中从句的动作应该是发生

在ask之前的. 所以用“had+过去分词”形式来表达。故选D

【点评】考查过去完成时。

32．I met Jim last week. We___________ each other for about twenty years since we left Japan.

A. didn't meet

B. don't meet

C. haven't met

D. hadn't met

【答案】 D

【解析】【分析】句意：我上周见过吉姆。我们离开日本大约有二十年没见面了。A.没有

见面，一般过去时；B.没有见面，一般现在时；C.已经没有见面，现在完成时；D.已经没有

见面，过去完成时。for+时间段用完成时，排除A、B。met表明时态是过去时，所以用过

去完成时，故选D。

【点评】考查过去完成时，注意平时识记其结构及标志词。

33．——How was the movie you saw yesterday?

——I have no idea. By the time I got to the movie theatre, the movie ______.

A. has already finished

B. have finished yet

C. had already finished

【答案】 C

【解析】【分析】had+动词的过去分词构成过去完成时，表示的过去的过去的时间点，本

句中电影结束发生在我到达电影院之前，而到达电影院用的过去时，电影结束发生在过去

的过去，所以用过去完成时。句意：昨天你看的电影怎么样？没想法，我到电影院的时

候，电影已经结束了。故选C。

【点评】考查过去完成时的用法。

34．By the end of last term, the students of Class One___________ three projects.

A. finished

B. would finish

C. have finished

D. had finished

【答案】 D

【解析】【分析】句意：到上学期末，一班的学生已经完成了三个项目。根据by the end of last term，可知表示过去的过去，谓语动词要用过去完成时had+过去分词。故选D。【点评】考查过去完成时的构成和用法。根据时间状语，确定动词的时态。

35．—Did Alan see his old friends yesterday?

—Yes, he did. He his old friends for several years.

A. didn't see

B. wouldn't see

C. hasn't seen

D. hadn't seen

【答案】 D

【解析】【分析】句意：昨天艾伦见到他的老朋友了吗？——使得，他见到了。他已经有几年不见他的老朋友了。结合语境可知下文描述的是一直持续到过去某时的动作，故用过去完成时态。选D。

【点评】考查时态辨析

36．By the time my mum got home, I _______ my homework.

A. have finished

B. had finished

C. finished

D. will finish

【答案】 B

【解析】【分析】考查动词时态。句意为“我母亲到家时，我已经做完作业了。”主句动作在从句动作（一般过去时）之前就已经完成了，因此主句应用过去完成时，故选B。

37．By the time she went outside, the bus ____ already ______ .

A. had, gone

B. had, went

C. has, gone

D. has, went

【答案】 A

【解析】【分析】这题考查时态的用法，by the time是连词词组，可以连接时间状语从句，“到什么时候为止”，主句一般和相应的完成时连用，因为从句是过去时，所以从句用过去完成时连用。选A。句意是：到她出去的时间为止，公共汽车已经走了。

38．When we hurried to the meeting room, the meeting _______.

A. had begun

B. had been on

C. has begun

D. has been on

【答案】 A

【解析】【分析】句意：当我们赶到会议室的时候会议已经开始了。本句中会议开始的动

作发生在我们到达会议室之前，所以表示过去的过去，用过去完成时，故选A

【点评】动词的时态是学习英语过程中非常重要的知识。而很多的题目，句中并没有像本题一样有明确的时间，很多要通过上下文的判断得知。过去完成时表示动作发生在过去的过去，本题不难，平时加强记忆，理解即可。

39．She_______ballet before she entered film industry.

A. has practiced

B. had practiced

C. will practiced

D. would practiced

【答案】 B

【解析】【分析】句意：在进入电影业之前，她练习跳芭蕾。本句考查过去完成时，在她进入电影业之前为“过去的过去”；即过去完成时；故选B。

【点评】考查过去完成时。

40．She to be a good mother.

A. have thought

B. thought

C. thinks

D. had thought

【答案】D

【解析】【分析】句意：她本来想做一个好妈妈。动词think用过去完成时来表示过去未曾实现的想法，希望，打算或意图等。故选D。

【点评】考查过去完成时。

二、初中英语现在完成进行时

41．The Ford Company its autonomous minicars on public roads in Arizona, the US, without a safety driver since October, 2017.

A. has been operating

B. has operated

C. had been operating

D. had operated

【答案】A

【解析】【分析】句意：自2017年10月。福特汽车公司在美国亚利桑那州的公共道路一直让没有安全的的司机操纵的自动化微型轿车运转。since，“自从”，Since后如果是过去的时间，主句要用现在完成时。因此可知C、D是过去完成时，不符合。现在完成进行表示动作从过去一直持续至现在，这个动作正在进行。而B是现在完成时，表示动作到现在已完成或停止。分析可知从过去一直至现在，要用现在完成进行时，故选A。

【点评】考查动词时态，本题涉及现在完成进行时的应用。

42．— Look, the light is still on in Helen's office.

— Maybe she ______ her work yet.

A. doesn't finish

B. won't finish

C. hasn't finished

D. didn't finish

【答案】 C

【解析】【分析】句意：——看，海伦的办公室的灯还亮着在。——也许她还没有完成工

作。yet用于否定句末，是现在完成时的标志词，故选C。

【点评】考查动词的时态。

43．—Can Mr Read speak Chinese?

—Yes．He speaks Chinese very well because he China for many years．

A. has been in

B. has been to

C. has gone to

D. has come to

【答案】A

【解析】【分析】句意为：--里德先生会说中文吗？---是的。他汉语说得很好因为他已经在中国多年。has been in 指的是某人在某地停留多长时间；has been to是去过某地已经回来；has gone to是去某地了，还没回来；has come to是已经来到某地，根据句意可知选A 【点评】考查动词短语辨析

44．— he ___ Japan before?

—Yes, he there two years ago．

A. Did，visited

B. Has，has visited

C. Has，visited

D. Did，has visited 【答案】 C

【解析】【分析】句意:--他以前去过日本吗？--是的，他两年前去过那里。根据before可知句子要用现在完成时“have/has+过去分词”，主语he是第三人称单数故用has，这是一个一般疑问句，将has提前，故选C。

【点评】考查动词的时态，注意语境中提供的时间状语。

45．The number of foreign students attending Chinese universities ____ rising steadily since 1990.

A. is

B. are

C. has been

D. have been

【答案】 C

【解析】【分析】句意：从1990年开始，进入中国大学的外国学生的数量呈稳定增长。根据时间状语since 1990，从1991年开始，可知本句时态为现在完成进行时has/have +been+现在分词；再根据the number of，……的数量，助动词应用单数形式has，be的过去分词been。故选C。

【点评】考查现在完成进行时。注意掌握结构现在完成进行时的结构：has/have +been+现在分词。

46．China ________________ great achievements in science and technology since 1978.

A. makes

B. made

C. has made

【答案】 C

【解析】【分析】句意：自1978年以来，中国在科学技术方面取得了巨大成就。make great achievement取得巨大成就，A.动词三单式；B.一般过去式；C.现在完成时。根据since，可知时态用现在完成时，故选C。

【点评】考查动词的时态。注意现在完成时的用法。

47．— Tom says he is too tired to go on.

— He can't. He ________ for an hour.

A. had worked

B. has just worked

C. just worked

D. has only been working

【答案】 D

【解析】【分析】考查动词时态。句意：汤姆说他太累了不能继续了。他不可能这样，他只工作了一个小时。从本题的语境中可以看出他不可能累的原因是：他从开始工作到现在仅仅才工作了一个小时，因此应该用现在完成进行时，故选D项。

48．Why, you're late again! I ________ here for over two hours!

A. am waiting

B. waited

C. have been waiting

D. was waiting

【答案】 C

【解析】【分析】考查现在完成进行时。句意：为什么，你又迟到了！我在这里已经等了两个多小时了！根据句意可知，“等”这个动作是从过去开始，一直持续到现在一直在进行的动作，并对现在造成了影响。故选C项。

【点评】现在完成进行时表示动作从某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。构成：have+been+doing。

49．The western countries have been _________ Christmas for many years.

A. celebrating

B. celebrate

C. celebrates

D. celebrated

【答案】 A

【解析】【分析】have/has been+现在分词是现在完成进行时；句意：西方国家很多年来一直在庆祝圣诞节。故选A。

50．Dashan, who_________crosstalk, the Chinese comedic tradition, for decades, wants to mix it up with the Western stand-up tradition.

A. will be learning

B. is learning

C. had been learning

D. has been learning

【答案】D

【解析】【分析】考查时态。本句的时间状语是“for decad es几十年来”,该时间状语通常和现在完成的有关时态连用,本句强调这几十年来大山一直努力把中国相声和西方的脱口秀相结合。所以使用现在完成进行时,强调动作的延续性和反复性。故D正确。

51．Judith ______ on her new novel which is supposed to come out next month.

A. has been working

B. had worked

C. will be working

D. was working

【答案】 A

【解析】【分析】句意：朱迪思一直在写她的新小说，这本小说预定下个月出版。根据下文which is supposed to come out next month可知，她的小说还没写完，现在还在写，表示从过去一直到现在一直在写，可能还会写下去，应使用现在完成进行时。故选A。

【点评】考查时态，本题涉及现在完成进行时。

52．According to the newly-elected French president, Macron, France will reform the rigid and outdated rules that ________ the development of the country in the near future.

A. limited

B. had limited

C. have been limiting

D. will limit

【答案】 C

【解析】【分析】句意：据新当选的法国总统Macron，在不久的将来法国将改革那些一直在限制国家发展的僵化和过时的规则。“…the rigid and outdated rules that the development of the country…”在本句中the rigid and outdated rules是先行词，在定语从句中作主语；“这些僵化的和过时的规则一直在限制国家的发展”，表示这个动作从过去一直到现在，这个动作一直在进行。所以用现在完成进行时。故选C。

【点评】考查时态，本题涉及现在完成进行时的应用。

53．—Lucy seems absent these days.

—She _____ a job from city to city—you see, she is graduating in June.

A. hunts for

B. is to hunt for

C. has hunted for

D. has been hunting for

【答案】D

【解析】【分析】句意：——Lucy这些天似乎不在。——从一个城市到另一个城市她一直在寻找一份工作，你知道，她将在六月毕业。根据"you see, she is graduating in June."可以判断"她快要毕业，所以最近一直在找工作"，用现在完成进行时，故选D。

【点评】考查时态，本题涉及现在完成进行时的应用。

54．Housing prices_____ since a few years ago. Therefore, it's time the central government _____ some effective measures to bring them under control.

A. have increased; would take

B. have increased; will take

C. have been increasing; takes

D. have been increasing; took

【答案】D

【解析】【分析】句意：自从去年年底房价一直在上涨。因此，该是中央政府采取措施降

低并控制房价的时候了。由since判断句中需要完成时，并且根据语境，房价还在上涨中，故第一空用完成进行时；第二空考查句型It's/was time that“该是.......的时候了"，从句中往往用过去时，也可以用"should+动词原形"；故答案是D。

【点评】考查时态，本题涉及现在完成进行时和一般过去时的应用，以及固定句型"It's/was time that。

55．You ____your depression for long, and now it's time to relax yourself.

A. masked

B. will have masked

C. have been masked

D. have been masking

【答案】 D

【解析】【分析】句意：你压抑了很久，现在是时候放松一下了。根据句意可知，此处应使用现在完成进行时，表示从过去开始一直持续到现在的动作，强调这个动作可能会继续下去。故选D。

【点评】考查时态，本题涉及现在完成进行时的应用。

56．—Where is Mary?

—Oh, she went out after breakfast, and her paper in the library ever since. You can find her there.

A. Wrote

B. had written

C. has been writing

D. is writing

【答案】 C

【解析】【分析】句意：—Mary去哪了？—她吃完早饭就出去了，从那以后她就一直在图书馆里写论文，你可以在那找到她。考查时态。Mary写论文这个动作从过去一直持续到现在，而且还可能继续下去，应该用现在完成进行时，故答案为：C。

【点评】考查现在完成进行时。

57．A new monetary policy will take effect next month. Really good news, especially for those companies that _______ with money.

A. have struggled

B. struggled

C. have been struggling

D. had struggled

【答案】 C

【解析】【分析】句意：---新的货币政策将于下月生效。---这真是个好消息，尤其是对那些一直在为钱发愁的公司来说。分析句子成分可知，companies为先行词，在后面的定语从句中作主语，分析句意可知,定语从句的时态为现在完成进行时，表示从过去某一时间开始struggle的动作一直在进行, 并有可能持续下去, 强调动作的全过程。故选C。

【点评】考查时态，本题涉及现在完成进行时。

58．Our headteacher ____for months to make sure that we understand the importance of concentration.

A. tried

B. was trying

C. has been trying

D. is trying

【答案】 C

【解析】【分析】句意: 我们的班主任几个月来一直在努力确保我们理解集中注意力的重要性。现在完成进行时表示现在以前这一段时间里一直在进行的一个动作，这个动作可能仍

在进行。分析本句可知，try这个动作现在以前这一段时间里一直在进行，这个动作可能仍在进行。且由“for months”也表明本句应该用现在完成进行时。故选C。

【点评】考查时态，本题涉及现在完成进行时。

59．The May Fourth Movement was launched in 1919 and its spirit ________ Chinese youth to make contributions to national rejuvenation ever since.

A. is motivating

B. has been motivating

C. motivated

D. was motivating

【答案】 B

【解析】【分析】句意：五四运动于1919年发起，其精神一直激励着中国青年为民族复兴而努力。由"ever since"可知，本句为现在完成进行时，表示动作从某一时间开始，一直持续到现在，或者可能仍然要继续下去。故选B。

【点评】考查时态，本题涉及现在完成进行时。

60．I ________ my homework for four hours, but I am not sure whether I can hand it in tomorrow.

A. have done

B. have been doing

C. had been doing

D. had done

【答案】 B

【解析】【分析】考查时态。句意：四个小时以来，我一直都在做家庭作业，但是我不确信我是否能在明天上交它。现在完成进行时通常表示过去发生的事情延续到现在，而且还在继续发生，强调事情的延续性和反复性。故B正确。

【点评】考查时态