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1、虛擬語氣（6個點(diǎn)）要點(diǎn)1三種假設(shè)alhaddone（i引導(dǎo)的非真實(shí)條件句）would/should/could/might+havedone（主句）※前后都表過去Ifyou(keep)ondoingthatlastmonth,youwouldhavesucceeded.hadkept06年真題2013年真題44.Ifhe(take)myadviceatthattime,hewouldhavegotthejobheappliedfor.hadtaken唾Be—were（非真實(shí)條件句）Do一didwould/
2、could/might/should+動詞原形（主句）IfIwereyou,Iwouldstudyhanl.IfIhadtimenow,Iwouldgoout.將來wereto+動詞原形（if從句）should+動詞原形would/could/might/should+動詞原形（主句）IfIweretohavetimetomorrowmorning,Iwouldstayathome.要點(diǎn)2if的省略如果if從句中有were/should/hact訐可省，were/should/had提到主語之前WereIy
3、ou,Iwouldstudyhard.要點(diǎn)3以下5種情況用“（should）+動詞原形”的虛擬語氣情況一：表建議、命令、要求等動詞后的賓語從旬中move建議propose提議，建議-proposal（名）insist堅(jiān)決要求suggest建議;用陳述語氣）暗示（賓從Hispalefacesuggeststhathe(be)isill.Don，tworryabouthei;Herrosycheekssuggestthatsheingoodhealth?08年真題A)beB)isC)wereD)was情況二：I
4、tbe+引起虛擬形容詞或表建議、命令、要求等動詞的過去分詞+臣從?？家鹛摂M的形容詞：advisable可行的；important；desirable合心'意的；essential基本的，strange奇怪的，natural自然的，vital非常重要的，urgent緊急的，necessary必要的表建議、命令、要求等動詞的過去分詞:required,suggested,recommended,requested,ordered...情況三：表建議、命令、要求，愿望、主張等名詞后的表語從句或同位語從句orde
5、r,request,requirement,proposal,advice,recommendation,demand,suggestion,necessity,desire,idea情況四動詞+it（形賓）+形容詞（賓補(bǔ)）+賓從［（should）+動詞原形】情況五：incase（以防）；forfearthat=lest唯恐，其后的從句中※注意事項(xiàng)：1）should+動詞原形2）動詞原形：am/is/are/was/were一be（動詞原形）實(shí)義動詞原形指的是動詞未做任何改變（不受主語和時態(tài)的制約)Itis
6、importantthathe(finish)thetaskwehavegivenhimtoday?finish06年真題HesuggestedthatMary(finish)herhomeworkontime?finishWeproposethathe(be)athomeonweekends.is—shouldbe※彳)主謂關(guān)系：主動關(guān)系被動關(guān)系(be+過去分詞)Ourteachersuggestedthatourhomework(hand)inbeforeFriday.behandedThebookis
7、veryusefuLThebookisofgreatuse.Be+形容詞=beof+名詞Heproposedthat(把這份申請余及時送到辦公室)_.theapplicationformbesenttotheofficeHerequiredthatwe(present)bepresentatthemeetingontime.Heputforwarda(propose)atthemeeting?Propose-proposal(名)要點(diǎn)4以下5種情況時態(tài)根據(jù)需要后退一個情況一該是…時候了a.Itistimef
8、or+名詞b.Itistimetodo??.c.Itis(about/high)time+句子Itistimewetookeffectivemeasurestostopairpollution.情況二wish+賓從（假設(shè)，用虛擬語氣）情況三wouldrather+句子（現(xiàn)在或未來時間狀語，用一般過去時；過去時間狀語，用過去完成時）beinvolvedinmakecommenton對…進(jìn)行評論—情況四Ifonly（
