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1、大学英语语法重点二、从句中的（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,ess
2、ential,urgent,natural,unusual,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IfonlyIweretwentyyearso
3、ld.5.Asif/asthoughHetalkedaboutEgyptasifhehadbeenthere.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.IfonlyIcantakethe
4、dayofftomorrow.太疲倦了。如果明天能不上班多好。Ifonlyproblemswouldcomeoneatatime!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shouldhavedoneYoushouldhavea
5、rrivedthereearlier.2.ShouldnothavedoneHeshouldn’thavepresentedthereporttothemayor.3.needn’thavedoneSincethemeetinghasbeencanceled,theyneedn’thavegottheresoearly.语法二：非谓语动词一、做主语todoItisn.todoItismydreamtobecomeasuperstarinthefuture.2.Ittakessb.sometimetodo3.Itisadj.fo
6、rsb.todosth.4.Itisadj.ofsb.todosth.一、做主语-ing1.Itisnouse,nogood,nofun,agreatpleasure,awasteoftime,abore,etc+doingItisnousecryingoverthespiltmilk.2.Itisexpensive,good,interesting,nice,pointless,useless,worthwhile,etc.+doingItisuselessaskinghimforhelp.3.ThereisnodoingT
7、hereisnosaying(telling)whatmayhappennext.二、做宾语–ing/to1.Irememberlockingthedoor.Remembertolockthedoorwhenyouleave.2. try+doing，含义“试一试”或“试试做某事”;try+todo，含义是“做一番努力，试图做某事。”Itriedsendingherflowersbutitdidn‘thaveanyeffect.Iwilltrytofinishtheworkontime.3.mean+ing，含义是“意味着”；
8、mean+todo，含义是“打算、想要”。例如：Revolutionmeansliberatingtheproductiveforce.Ididn'tmeantohurtyourfeelings.Mean,remember,forget,regret,hate,prefer,
