【正文】 such a crowd of people there.A. would enjoy B. will have enjoyedC. would have enjoyed D. will be enjoying49. All of us would have enjoyed the party much more if there _________ quite such a crowd of people there. A. weren’t B. hasn’t been C. hadn’t been D. wouldn’t，從句謂語動詞用： ( + do或 + to do)，主句謂語動詞用： (should, could, might)+do。例如： 43. If your car ___ any attention during the first 12 months, take it to an authorized dealer. (08年）A. shall need C. would need B. should need D. will need考點4. 時態(tài)的交叉現(xiàn)象，也就是主句與從句的動作發(fā)生在不同的時間段。例如：If you to see the doctor，you all right now.你要是早去看病,你現(xiàn)在就沒事了。考點5. 虛擬條件句if可以省略，但從句的語序要用到裝，即 ，但否定詞not不前移。 例如：, he would not have recovered so quickly.（05年）A.Hadn39。t he been taken good care of B.Had he not been taken good care ofC.Had not he been taken good care of D.Had he been not taken good care of考點6. (一個堅持）； , (兩道命令）； , , （三條建議）； , , , (四點要求） 及相應的名詞的從句，謂語要使用：should+動詞原形或動詞原形。 例如：58. It was remended that passengers ___ smoke during the flight. (04年)A. not B. need not C. could not D. would not is + , , , , 等等相關的從句，謂語要使用：should+動詞原形或動詞原形。例如：46. It is imperative that students ____ their term papers on time.（04年）A. hand in B. would hand in C. have to hand in D. handed in is high(about) time that的結(jié)構(gòu)中，從句使用 。例如:54. It’s high time we __ cutting down the rainforests.（06年）A stopped B had to stop C shall stop D stop as盡管，雖然，引導讓步狀語從句，從句中用 表示假設，可以是說話人的語氣變得十分委婉，真誠。例如：52. Much as ____, I couldn’t lend him the money because I simply didn’t have that much spare cash.（99年） would have liked to would like to have should have to like should have liked to考點10. if only表示要是…就好了,相當與wish, as if/as though 的用法。 與現(xiàn)在事實相反： 。與過去事實相反: ；與將來事實相反： 例如：52. If only I __play the guitar as well as you! （06 年） A would B could C should D might備考1. would rather或would sooner后跟賓語從句，從句中使用 或過去完成式分別表示對現(xiàn)在或過去的虛擬，表示 。例如：The manager would rather his daughter ____ in the same office now. A. had not worked B. not to work C. does not work D. did not work , for fear that引導的狀語從句。在lest, for fear that等引導的狀語從句中，通常用 這一虛擬語氣形式 。例如：The mad man was put in the softpadded cell lest he ________ himself. A. injure B. had injured C. injured D. would injure 真題速練：1. The opening ceremony is a great occasion. It is essential _____for that. 2003a. for us to be prepared b. that we are preparedc. of us to be prepared d. our being prepared 2. _____for the fact that she broke her leg, she might have passed the exam. 2002a. Had it not been b. Hadn’t it been c. Was it not d. Were it not 3. “What courses are you going to do next semester?” 2002 “I don’t know. But it’s about time ______on something.”