将来时虚拟语气

1、学习好资料欢迎下载与将来事实相反的虚拟语气请看下面的题目:If we 200 years old，we everything.A. were to be， could changeB. had been, changedC. were， would have changedD. should be， changed此题应选A。该题考查与将来事实相反的虚拟语气，此时的主句谓语通常用would(should，could， might) +动词原形，而从句谓语可能有以下几种情况：1. 从句谓语用过去式：If your father knew this，he would be angry.要是你父亲知

2、道了，他会生气的。If it rained tomorrow，the sports meet would be put off. 明天下雨，运动会就推 迟。2. 从句谓语用should+动词原形(通常指可能性极小的事情，一般译为“万一”)：If it should rain，the crops would be saved. _要是有雨，这庄稼还有救。此类句型的主句谓语有时可以用祈使句甚至将来时态：If it should rain tomorrow，don' expect me.万一明天下雨，就不要等我了。If I should be free tomorrow，I will com

3、e.万一我明天有空，我就来。3. 从句谓语用 were to+动词原形(通常指可能性极小可或近乎不可能，有时指出乎意 料)：If the sun were to rise in the west，my love for you would not change.即使太阳从西边出，我对你的爱也不会变。动名词和不定式做主语的相同点1. 不定式短语和动名词做主语时，常常为了保持句子的平衡，用it来做形式主语，如：It is not easy to lear n En glish well.It is no use ask ing him for help.2. 如果主语用了不定式，表语和宾语也要用不

4、定式；主语用了动名词，表语和宾语也要用动名词 这在英语中称为对称性，如：To see is to believe. = Seeing is believing.(眼见为实 )(85)lt is better to stay home tha n _A_ out.A. to goB. goingC. go D. gonen .动名词和不定式做主语的不同点1. 不定式做主语常表示具体的某一动作；表示泛指或一般的抽象的概念时，多用动名词，如：(92) _B_ is a good form of exercise for both young and old.A. The walkB. Walki n

5、gC. To walkD. Walk2. 在” There/It +be+ no use(good/help/need) ”之后常用动名词做主语 ，而少用不定式，如:It /There is no use crying over the split milk.It /There is no help tak ing this medici ne.但是如果该句型中用了for引出不定式的逻辑主语，就只能用不定式，如：(93) There is no good for us to do that exercise.3. 不定式可以和 when, where, how, what, whether等连

6、用，在句子中做主语，宾语和表语 而动名 词则不能，如:How to solve the problem is a hot potato.Where to put the box seems hard to decide.Whether to do it hasn' t been decided.What to do next is up to you.学习好资料欢迎下载by defaulta) if you win a game, competition etc by default, you win it because your opponent did not play or because there were no other competitor