一、倍数增减的表示法
1) Force N1 _______________(比力N2大2.5倍).
2) This substance _______________(反应速度是另外那种物质的三倍).
3) The earth _______________(是月球大小的49倍).
4) The landlord _______________(想将租金提高三分之一).
5) They _______________(计划将投资增加一倍).
1) is 2.5 times greater than Force N2
2) reacts three times as fast as the other one
3) is 49 times the size of the moon
4) wants to raise the rent by a third
5) plan to double their investment
二、时态
6) Be quick, _______________(否则等我们到达教堂时婚礼就已经结束了).
7) When she got home, _______________(孩子们已经睡着了).
8) When I prepare for the college entrance examination, _______________(我姐姐将在海边假).
9) I_______________(一上午都在修改我的简历).
10) Do you often go on holiday? _______________(不，我已经有五年没有度假了).
11) He joined the army in October, 2001. _______________(他参军已五年了).
1) or the wedding will have finished by the time we get to the church
2) the children had fallen asleep
3) my sister will be taking her vacation at the seaside
4) have been revising my resume all the morning
5) No. It has been five years since I went on holiday
(考点：It has been … since sb. did sth. 表示某人有多长时间没有做某事了)
6) He has been in the army for 5 years
(考点：1. 现在完成时;2.要用持续性动词才能接一段时间)
三、被动语态
12) The blackboard and chalk _______________(正在被电脑和投影机所取代).
13) The book _______________(到今年年底就将已出版).
14) Computer models _______________(可以用来演示细胞工作的方式).
15) When the bill of fare was brought, _______________(我惊呆了，价格大大超出了我的预料).
16) _______________(必须立即采取有效措施)to eliminate sandy storms.
1) is being replaced by the computer and the projector
2) will have been published by the end of this year
3) can be used to demonstrate the way that cells work
4) I was startled, for the prices were a great deal higher than I had anticipated
5) Effective measures must be taken immediately
四、情态动词
17) The phone is ringing, _______________(但是没人接听。她一定不在家).
18) I can’t find my sunglasses. _______________(我可能昨天落在咖啡店里了).
19) You screamed in your sleep last night. _______________(你一定梦见什么可怕的东西了).
20) It’s a pity. _______________(你本应该邀请她来参加你的毕业典礼的).
21) _______________(其实我没必要穿上我最好的套装去参加那次聚会的); most of the guests were wearing jeans and sweaters.
1) but there is no answer. She can’t be at home
(考点：情态动词可以表示可能性，can’t 表示“一定不”)
2) I may have left them in the coffee shop yesterday
(考点：“情态动词can/could + 完成式”用于表示对过去发生的动作的主观判断)
3) You must have dreamed of something terrible
4) You should have invited her to your graduation ceremony
“情态动词should/ought to + have done” 用于评论过去应该做而实际并未做的动作5) I needn’t have put on my best suit to go to the party
“情态动词needn’t + have + done”表示对过去发生的动作进行评论，“无须发生”，“不必做”
五、虚拟语气
22) I wish _______________(我年轻的时候有你们这样的机会).
23) If only ______________(他知道这病是可以治好的)! Then he would not have killed himself.
24) —— Would you like him to paint your door with yellow stars?
—— I’d rather he _______________(漆成蓝色的，而且不带任何装饰).
25) It’s high time that _______________(采取措施解决交通堵塞的问题).
26) Hugh usually talks _______________(仿佛在大会上发表演说似的).
27) We insist that _______________(让杰克立刻进医院).
28) It was advised that _______________(在居民区设立更多的流动商店).
29) His proposal was that _______________(他们成立一个专门委员会来检查这个问题).
30) We are going to discuss his suggestion that _______________(取消期中考试).
31) It is ridiculous that _______________(我们在一个总是下雨的国家还缺水).
32) It is essential that _______________(每个人都为紧急情况做好准备).
33) _______________(如果他按照我告诉他的办法订票), we would have had quite a comfortable journey.
34) I was to have made a speech _______________(要不是有人把我的话打断了).
35) It didn’t rain last night. _______________(要是下了，地就会湿的).
36) _______________(如果我一直住在纽约), I would know the U.S. well now.
37) If the doctor had not come in time, _______________(他现在就不在人间了).
38) But for his help, _______________(我们就不会以这么低的价格租到房子了).
39) I used my calculator; _______________(否则，我会花更长的时间才能算出这道题).
40) Were I in your place, _______________(我会毫不犹豫地抓住机会).
41) Had it not been for their opposition, _______________(这项法案早就通过了).
42) Should there be another world war, _______________(人类的继续存在就会有危险).
43) He walked lightly _______________(以免惊醒婴儿).
1) I had had your opportunities when I was young
(考点：I wish后的that从句中用过去完成式表示过去没有实现或不可能实现的愿望)
2) he had known this disease is curable
(考点：If only 引导的感叹句表示“但愿”或“要是……就好了”，用法与 I wish…基本相同)
3) painted it blue, and without any decorations
(考点：would rather 后的that从句中用过去式表示不是事实)
4) measures were taken to solve the problem of traffic jams
(考点：It’s (about/high) time 后的that从句中用过去式，表示“该是……的时候了”)
5) as though he were delivering a speech at an assembly
(考点：as if / as though引导的从句中用过去式表示和现在事实相反或对现在情况有所怀疑)
6) Jack (should) be sent to hospital right now
(考点：表示“建议、命令、要求、想法”的动词所接的宾语从句通常用“(that) sb. (should) do”的虚拟形式)
7) more mobile shops (should) be set up in the residential area
(考点：表示“建议、命令、要求、想法”的动词所接的主语从句通常用“(that) sb. (should) do”的虚拟形式)
8) they (should) set up a special board/committee to examine this problem
(考点：表示“建议、命令、要求、想法”的名词所接的表语从句通常用虚拟形式)
9) the mid-term exams (should) be canceled
(考点：表示“建议、命令、要求、想法”的名词所接的同位语从句通常用虚拟形式)
[表示“建议、命令、要求、想法”的`动词及其名词常见的有：advise (advice), agree (agreement), decide (decision), decree, demand, determine (determination), grant, indicate (indication), insist (insistence), order, prefer (preference), propose (proposal), request, require (requirement), resolve (resolution), stipulate (stipulation), suggest(suggestion), urge, vote;常见的这类动词还有：allow, arrange, ask, beg, concede, demonstrate, ensure, intend, move, pledge, pray等]
10) we (should) be short of water in a country where it is always raining
(考点：在It is/was +形容词后的that从句中常用“sb. should do”的形式表示建议惊奇等。这类形容词常见的有：advisable, anxious, appropriate, compulsory, crucial, desirable, eager, essential, fitting, imperative, important, impossible, improper, natural, necessary, obligatory, preferable, proper, urgent, vital, willing等)
11) everyone (should) be prepared for emergency
12) If he had booked tickets in the way I told him
(考点：在非真实条件句中用过去完成式表示与过去的事实相反)
13) if I had not been interrupted
14) If it had rained, the ground would be wet
(考点：在非真实条件句中，当主句与从句表示的动作不是同时发生时，就根据情况用适当的谓语动词形式)
15) If I had been living in New York(考点：同上)
16) he would be dead now(考点：同上)
17) we could not have rent a house at such a low price
(考点：but for经常作为非真实条件句中if的代用语)
18) otherwise, it would have taken me more time to work out this question
(考点：otherwise也经常作为非真实条件句中if的代用语)
19) I would seize the opportunity without hesitation
(考点：在非真实条件句中如果有were, had, should这三个词，可以省去if，采用主谓语倒装的形式来表示条件)
20) this act would have been passed much earlier(考点：同上)
21) the continued existence of the human race would be in jeopardy(考点：同上)
22) lest he should awaken the baby
(考点：lest (以免)引导的从句通常用sb. should do的形式表示虚拟)
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