一、倍數增減的表示法
1) Force N1 _______________(比力N2大2.5倍).
2) This substance _______________(反應速度是另外那種物質的三倍).
3) The earth _______________(是月球大小的49倍).
4) The landlord _______________(想將租金提高三分之一).
5) They _______________(計劃將投資增加一倍).
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、時態
6) Be quick, _______________(否則等我們到達教堂時婚禮就已經結束了).
7) When she got home, _______________(孩子們已經睡着了).
8) When I prepare for the college entrance examination, _______________(我姐姐將在海邊假).
9) I_______________(一上午都在修改我的簡歷).
10) Do you often go on holiday? _______________(不，我已經有五年沒有度假了).
11) He joined the army in October, 2001. _______________(他參軍已五年了).
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
(考點：It has been … since sb. did sth. 表示某人有多長時間沒有做某事了)
6) He has been in the army for 5 years
(考點：1. 現在完成時;2.要用持續性動詞才能接一段時間)
三、被動語態
12) The blackboard and chalk _______________(正在被電腦和投影機所取代).
13) The book _______________(到今年年底就將已出版).
14) Computer models _______________(可以用來演示細胞工作的方式).
15) When the bill of fare was brought, _______________(我驚呆了，價格大大超出了我的預料).
16) _______________(必須立即採取有效措施)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、情態動詞
17) The phone is ringing, _______________(但是沒人接聽。她一定不在家).
18) I can’t find my sunglasses. _______________(我可能昨天落在咖啡店裏了).
19) You screamed in your sleep last night. _______________(你一定夢見什麼可怕的東西了).
20) It’s a pity. _______________(你本應該邀請她來參加你的畢業典禮的).
21) _______________(其實我沒必要穿上我最好的套裝去參加那次聚會的); most of the guests were wearing jeans and sweaters.
1) but there is no answer. She can’t be at home
(考點：情態動詞可以表示可能性，can’t 表示“一定不”)
2) I may have left them in the coffee shop yesterday
(考點：“情態動詞can/could + 完成式”用於表示對過去發生的動作的主觀判斷)
3) You must have dreamed of something terrible
4) You should have invited her to your graduation ceremony
“情態動詞should/ought to + have done” 用於評論過去應該做而實際並未做的動作5) I needn’t have put on my best suit to go to the party
“情態動詞needn’t + have + done”表示對過去發生的動作進行評論，“無須發生”，“不必做”
五、虛擬語氣
22) I wish _______________(我年輕的時候有你們這樣的機會).
23) If only ______________(他知道這病是可以治好的)! Then he would not have killed himself.
24) —— Would you like him to paint your door with yellow stars?
—— I’d rather he _______________(漆成藍色的，而且不帶任何裝飾).
25) It’s high time that _______________(採取措施解決交通堵塞的問題).
26) Hugh usually talks _______________(彷彿在大會上發表演說似的).
27) We insist that _______________(讓傑克立刻進醫院).
28) It was advised that _______________(在居民區設立更多的流動商店).
29) His proposal was that _______________(他們成立一個專門委員會來檢查這個問題).
30) We are going to discuss his suggestion that _______________(取消期會考試).
31) It is ridiculous that _______________(我們在一個總是下雨的國家還缺水).
32) It is essential that _______________(每個人都爲緊急情況做好準備).
33) _______________(如果他按照我告訴他的辦法訂票), we would have had quite a comfortable journey.
34) I was to have made a speech _______________(要不是有人把我的話打斷了).
35) It didn’t rain last night. _______________(要是下了，地就會溼的).
36) _______________(如果我一直住在紐約), I would know the U.S. well now.
37) If the doctor had not come in time, _______________(他現在就不在人間了).
38) But for his help, _______________(我們就不會以這麼低的價格租到房子了).
39) I used my calculator; _______________(否則，我會花更長的時間才能算出這道題).
40) Were I in your place, _______________(我會毫不猶豫地抓住機會).
41) Had it not been for their opposition, _______________(這項法案早就通過了).
42) Should there be another world war, _______________(人類的繼續存在就會有危險).
43) He walked lightly _______________(以免驚醒嬰兒).
1) I had had your opportunities when I was young
(考點：I wish後的that從句中用過去完成式表示過去沒有實現或不可能實現的願望)
2) he had known this disease is curable
(考點：If only 引導的感嘆句表示“但願”或“要是……就好了”，用法與 I wish…基本相同)
3) painted it blue, and without any decorations
(考點：would rather 後的that從句中用過去式表示不是事實)
4) measures were taken to solve the problem of traffic jams
(考點：It’s (about/high) time 後的that從句中用過去式，表示“該是……的時候了”)
5) as though he were delivering a speech at an assembly
(考點：as if / as though引導的從句中用過去式表示和現在事實相反或對現在情況有所懷疑)
6) Jack (should) be sent to hospital right now
(考點：表示“建議、命令、要求、想法”的動詞所接的賓語從句通常用“(that) sb. (should) do”的虛擬形式)
7) more mobile shops (should) be set up in the residential area
(考點：表示“建議、命令、要求、想法”的動詞所接的主語從句通常用“(that) sb. (should) do”的虛擬形式)
8) they (should) set up a special board/committee to examine this problem
(考點：表示“建議、命令、要求、想法”的名詞所接的表語從句通常用虛擬形式)
9) the mid-term exams (should) be canceled
(考點：表示“建議、命令、要求、想法”的名詞所接的同位語從句通常用虛擬形式)
[表示“建議、命令、要求、想法”的`動詞及其名詞常見的有：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;常見的這類動詞還有：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
(考點：在It is/was +形容詞後的that從句中常用“sb. should do”的形式表示建議驚奇等。這類形容詞常見的有：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
(考點：在非真實條件句中用過去完成式表示與過去的事實相反)
13) if I had not been interrupted
14) If it had rained, the ground would be wet
(考點：在非真實條件句中，當主句與從句表示的動作不是同時發生時，就根據情況用適當的謂語動詞形式)
15) If I had been living in New York(考點：同上)
16) he would be dead now(考點：同上)
17) we could not have rent a house at such a low price
(考點：but for經常作爲非真實條件句中if的代用語)
18) otherwise, it would have taken me more time to work out this question
(考點：otherwise也經常作爲非真實條件句中if的代用語)
19) I would seize the opportunity without hesitation
(考點：在非真實條件句中如果有were, had, should這三個詞，可以省去if，採用主謂語倒裝的形式來表示條件)
20) this act would have been passed much earlier(考點：同上)
21) the continued existence of the human race would be in jeopardy(考點：同上)
22) lest he should awaken the baby
(考點：lest (以免)引導的從句通常用sb. should do的形式表示虛擬)
