高考英语必考句型（五）21、Not---until句型(1)陈述句not---until---直到……才例：LastnightIdidn'tgotobeduntil11o'clock.昨晚我11点钟才睡觉。(2)强调句Itwasn'tuntil…that...直到……才…….例：Itwasn'tuntilyesterdaythatIgotyourletter.我直到昨天才收到你的来信.(3)倒装句Notuntil...did...直到……才…….例：NotuntilIbegantoworkdidIrealizehowmuchtimeIhadwasted.直到我开始工作,我才意识到我已蹉跎了很多岁月.22、Onlyif和ifonly的用法区别Ifonly...!=howIwish…真希望……!若是……那该多好啊!/onlyif=if引导条件状语从句(1)谓语动词用过去式表现在：如：例：IfonlyIknewhisname!要是我知道他的名字就好了。(2)谓语动词用过去完成时表过去：如：例：Ifonlywehadfollowedyouradvice!我们要是采纳你的意见就好了。(3)谓语动词用could/would表将来：如：例：IfonlyIcouldseehimagain!要是我能再看到他多好啊！Ifonlyshewouldacceptmyinvitation!要是她接受我的邀请该多好啊!Itoldhimhewouldsucceedonlyifhetriedhard.23、让步状语从句：(1)Adj./n./adv.+as/though+Subject（主）+be,S+V~~~（虽然...）Richasourcountryis,thequalitiesofourlivingarebynomeanssatisfactory.(2)whether…ornot例：Whetheryoulikeitornot,you'llhavetodoit.(3)evenif/though例：Evenif/Eventhoughtheexerciseisverydifficult,youmustdoit.(4)疑问词+ever=nomatter+疑问词Whoeverbreaksthelawwillcertainlybepunished.Howevergreatthedifficultyis,wecanovercomeit.24、反常规的冠词位置句型：(1)so/as/that/too/how+adj.+a/an+n.例：Heisasgoodastudentasyou.他和你一样是个好学生。Thisistoodifficultaproblemforme.对我来说这是一个太难的问题。Youcanhardlyimaginehowcleveraboyheis.你几乎想象不到那孩子有多聪明。(2)quite/rather/what/such/many+a/an+(adj)+n例：Shesangquiteabeautifulsong.Hewassuchafoolastobelievewhatshesaid.(3)all/both/half/twicethe+n例：Allthestudentsinherclasslikeherverymuch.她班上所有的学生都喜欢她。25、表示最高级的句型：(1)Nothingis+~~~erthanto+VNothingis+more+形容词+thanto+V例：Nothingismoreimportantthantoreceiveeducation.(2)比较级＋than+anyother+名词单数，比较级＋than+anything(anyone)else，比较级＋than+anyoftheothers例：Bambooprobablyhasmoreusesthananyotherplantintheworld.(3)否定词+比较级例：Itcan’tbeworse.这是最糟的Ican’tagreeanymore.我非常同意。(4)cannever/can’t/canhardly与too,toomuch,enough,over-表示“无论怎样….都不过分”1).Whileyouaredoingyourhomework,youcan’tbecarefulenough.2).Heissuchagreatmanthatwecan’tpraisehimtoomuch.3).WilliamHartleywashandsome,determinedandhardworking,inaword,Icouldn’tspeaktoohighlyofhim.4).ThedevelopmentofsocietyhasmadeitnecessaryforustohaveagoodknowledgeofEnglish,sowecan’toveremphasizetheimportanceoflearningEnglish.5).Sinceitisagoodthing,wecan’tdoittoosoon.(5)bethelast----例：ThisisthelastthingIwanttodo.这是我最不想干的事。
