专四英语语法考点串讲及真题再现概要.doc

语法回顾篇： 专四语法考点虚拟语气、情态动词、非谓语动词、复合句、倒装、小语法（省略，时态，反义疑问句，代词，强调句，主谓一致，冠词，形容词及副词）、as的特殊用法。 专四英语语法考点串讲之一 虚拟语气 一般说来，有下列几种考点需要考生注意(十考点及两备考点） 考点1. 与现在事实相反 从句谓语动词用did(be用were)， 主句谓语动词would(should,could,might)+do； 考点2. 与过去事实相反 从句谓语动词用had done， 主句谓语动词用 would(should,could,might)+ have done； 例如： 43.I _________the party much more if there hadn’t been quite such a crowd of people there. A. would enjoy B. will have enjoyed C. would have enjoyed D. will be enjoying 49.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 考点3.与将来事实相反，从句谓语动词用：did(should+do或were + to do)， 主句谓语动词用：would(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 考点4. 时态的交叉现象，也就是主句与从句的动作发生在不同的时间段 例如： If you had gone to see the doctor，you would be all right now.你要是早去看病,你现在就没事了。 考点5.虚拟条件句if可以省略，但从句的语序要用到装，即将were,had或 should移至主语的前面形成倒装，但否定词not不前移。 例如： 65.___, he would not have recovered so quickly.（05年） A.????Hadnt he been taken good care of B.????Had he not been taken good care of C.????Had not he been taken good care of D.????Had he been not taken good care of 考点6. insist(一个坚持）；order command(两道命令）；suggest， advise, propose（三条建议）；ask, require, request, demand(四点要求） 及相应的名词的从句，谓语要使用：should+动词原形或动词原形例如： 58. It was recommended that passengers ___ smoke during the flight.(04年) A.???? not B. need not C. could not D. would not 考点7.It is +advisable, essential important,, imperative, incredible,等等相关的从句，谓语要使用：should+动词原形或动词原形 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 考点8.it is high(about) time that的结构中，从句使用一般过去式 例如: 54 It’s high time we __ cutting d