牛津版 选修6 Unit 3 Understanding each other Grammar课件（共12张）.ppt

一 虚拟语气在非真实条件句中的运用 错综时间条件句 if省略句 含蓄条件句二 wish asif asthough和ifonly三 should类虚拟语气四 情态动词 havedone五 虚拟语气固定句型六 虚拟语气解题常用技巧 一 虚拟语气在非真实条件句中的运用 主过将从过主过将完从过完 错综时间条件句例 ifyouhadfollowedmyadvicejustnow youwouldbebetternow ifyouhadstudiedhardbefore youwouldbeacollegestudentnow 做题时注意 动词的形式根据它所表示的时间作出相应的调整 即 一分为二 if省略句 1 ifiwereyou iwouldnotlethergo wereiyou iwouldnotlethergo 2 iftheyhadhelpedus wewouldnothavefailedit hadtheyhelpedus wewouldnothavefailedit 3 iftheyshouldcometomorrow wewouldfinishit shouldtheycometomorrow wewouldfinishit 去掉if 从句变一般疑问语序 倒装 含蓄条件句句中含有with without butfor or otherwise orelse等 虽然没有出现if 但表示的是if的含义 withoutyourhelp iwouldn thavepassedtheexam ifyouhadn thelpedme iwouldn thavepassedtheexam butforyourhelp iwouldnothavepassedthisexam 2 idon thaveyourtelephonenumber otherwise oriwouldhavecalledyouback ifihadyournumber iwouldhavecalledyouback 3 whatwouldyoudowithamilliondollars whatwouldyoudoifyouhadamilliondollars 二 wish asif asthough ifonly与主句谓语比较同时 did早于 haddone晚于 woulddoiwishiwereabird ifonlyiwereabird 同时 iwishihadseenthefilm ifonlyihadseenthefilm 早于 iwishyouwoulddothatagain ifonlyyouwoulddothatagain 晚于 helooksasifhewereanartist 同时 hespeaksenglishsofluentlyasifhehadstudiedenglishinamerica 早于 hestudiesenglishsohardasifhewouldgototheu s a 晚于 三 should类虚拟语气一坚持 insist二命令 ordercommand三建议 adviseproposesuggest recommend 四要求 demandrequirerequestask换用句式 itissuggestedthat 四 情态动词 havedonecould mighthavedone本来能做却没做should oughttohavedone本该做而实际上没做 抱怨和责备 shouldnot oughtnottohavedone本不该做而做了needn thavedone本不必做而做了 五 虚拟语气的固定句型 1 wouldyoumind 主语 谓语虚拟 您是否介意 2 wouldrather that 主语 谓语虚拟3 itishightimethatsb did should dosth 到某人做某事的时间4 itisnecessary important essential strange natural advisablethatsb should dosth 5 itisapity duty shame regretthatsb should dosth 抽象名词 6 butfor without sth 主语