外研版 选修六 module 6 War and Peacegrammar课件（ 14张PPT）.ppt

选修6module6 grammar 虚拟语气 虚拟语气的定义 虚拟语气表示一种假设的情况 或一种主观的愿望 即动词所表示的动作或状态并非事实 或不可能实现 虚拟语气的用法 if引导的非真实条件句 与现在事实相反 e g ifhehadthetime johnwouldmakeatriptochinatoseethegreatwall ifiwereyou iwouldgiveupdrinkingimmediately 与将来事实相反 e g ifyoushouldlose whatwouldyoudo ifiweretoseehertomorrow iwouldtellherthetruth ifyouwenttherenexttime youwouldseewhatimean 与过去事实相反 e g ifi dknownthatitwasgoingtorain iwouldneverhavegoneforawalkinthecountry ifihadtakenhisadviceiwouldnothavemadesuch mistakes wish引导的宾语从句的虚拟语气的用法 与现在事实相反主语 wish that 主语 动词过去式或wereiwishiwereapopsinger howiwishirememberhisaddress iwishiwereasstrongasyou iwishiwereyounow 与将来事实相反 主语 wish that 主语 情态动词过去式 动词原形iwishthey dletusgetsomesleep wewishtheycouldcome wewishwewouldgotheretomorrow tomisveryshortnow hismotherwishesthathewouldbetallwhenhegrowsup 与过去事实相反 主语 wish that 主语 动词过去完成式 had 动词的过去分词 iwishihadneverstoppedteaching iwishwehadbeentobeijingbefore wewishwehadpaidmoreattentiontoourpronunciation 虚拟语气的特殊用法 1 suggest advise等动词表示建议 要求 坚持 命令等的意思时 其后的宾语从句须用虚拟语气 其句子结构如下 e g hesuggestedthatthey should stopsmoking hemadearequestthatthey should respecttherules 注意 在此结构中that不可省略 should省不省均可 上述动词的名词形式出现时 that引导的从句仍用虚拟语气 2 itis was necessary apity等 that引导的从句须用虚拟语气 其句子结构如下 itisimportantthatyou should followthedoctor sorders itisrightthatyoushouldhavedoneyourhomework 3 it s high timethat 动词过去式或should 动词原形e g it stime that youhadahaircut it shightime that wetooksomeaction 4 asif asthough would had rather that 引导的从句须用虚拟语气 e g heactsasifnothinghadhappened iwouldratheryoudidn ttellhim 虚拟语气的其它用法 1 省掉if的条件从句结构 e g hadyouaskedme iwouldhavetoldyou ifyouhadaskedme 2 有时虚拟条件不用条件从句而用不定式 分词 介词 名词 连接词或定语从句来表示 e g atruefriendwouldnotdosuchathing ifhewereatruefriend he 3 有时条件从句中的动作和结果从句中的动作发生的时间不一致 e g ifhehadfollowedthedoctor sadvice hewouldbequiteallrightnow ifiwereyou iwouldhavegonehome 完成下列练习题 1 ifiyou iwouldgobyplane flyingismuchfaster a amb wasc were 2 idonotthinkthosepeoplearereallyenglish iftheywere theyspeakwishfrenchaccents a wouldn tb willnotc mustn t 3 today wouldwebeabletogettherebytuesday a werewetoleaveb ifweleavec wouldweleave 4 ifjonetomorrow whatwouldyoudo a werenottocomeb hadnotcomec wouldnotcome 5 shedidn taskme