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1、语法一：虚拟语气一、If引导的从句1.IfIwereyou,Iwouldgoabroadtohavethefurtherstudy.2.Ifyouhaddoneyourhomework,youwouldnothavebeencriticizedbytheteacher.3.Ifhewereto/shouldcomebackfromAmericatomorrow,hewouldjoinourparty.4.Ifyouhaddoneyourhomework,youwouldnotbecriticizedbyyourteachernow.二、从句中的（
2、should）do句型Heproposedthatthegirl(should)bethefirsttoleave.suggest,propose,ask,command,demand,require,urge,order,recommend,insist2.Itismysuggestionthathebeourmonitor.3.Itisrequiredthatthenewlawbeenforcedatonce.上述动词的过去分词以及strange,important,necessary,essential,urgent,natural,unu
3、sual,advisable,desirable,vital用于itis…that..时三、固定句型(主句现在，从句过去;主句过去，从句过完)Itisabout/hightime(that)+过去Itisabouttimethatwehaddinner.2.wouldrather+过去完成Iwouldratherhehadnotinvitedme.3.WishIwishthatIcouldgotoFrance.4.Ifonly+过去IfonlyIweretwentyyearsold.5.Asif/asthoughHetalkedaboutEgyp
4、tasifhehadbeenthere.三、固定句型(主句现在，从句过去;主句过去，从句过完)Ifonlyhehadbeenhere.要是他当时在这儿就好了。Idreadthecomingexams.IfonlyIcouldhavetimetoreviewmylessons.我对即将到来的考试非常担心。如果我有时间复习该有多好啊。IfonlyIhadanotherchance.要是我再有一次机会就好了。Iamsotired.IfonlyIcantakethedayofftomorrow.太疲倦了。如果明天能不上班多好。Ifonlyproblems
5、wouldcomeoneatatime!要是问题一次只发生一个该多好！Ifonlyitclearsup,we‘llgo.只要天一放晴,我们就去。Ifonlyonehadanunlimitedsupplyofmoney!要是财源不断就好了！Shewouldbeaverygoodplayerifonlyshecouldgetittogether.她若能控制得当就能成为很好的选手.三、其它shouldhavedoneYoushouldhavearrivedthereearlier.2.ShouldnothavedoneHeshouldn’thavepr
6、esentedthereporttothemayor.3.needn’thavedoneSincethemeetinghasbeencanceled,theyneedn’thavegottheresoearly.语法二：非谓语动词一、做主语todoItisn.todoItismydreamtobecomeasuperstarinthefuture.2.Ittakessb.sometimetodo3.Itisadj.forsb.todosth.4.Itisadj.ofsb.todosth.一、做主语-ing1.Itisnouse,nogood,no
7、fun,agreatpleasure,awasteoftime,abore,etc+doingItisnousecryingoverthespiltmilk.2.Itisexpensive,good,interesting,nice,pointless,useless,worthwhile,etc.+doingItisuselessaskinghimforhelp.3.ThereisnodoingThereisnosaying(telling)whatmayhappennext.二、做宾语–ing/to1.Irememberlockingthed
8、oor.Remembertolockthedoorwhenyouleave.2. try+doing，含义“试一试”或“试试做某事”;t
