If從句中的虛擬語氣March，20142023/2/41中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳2023/2/42中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳IfIknewhisaddress,Iwouldwritetohim.假如我知道他的地址，我就會寫信給他。IfIwereabird,Icouldflyinthesky.我要是一只鳥，我就能夠在天空中飛翔。Ifithadnotrainedyesterday,Iwouldhavegonefishing.假如昨天沒下雨，我就去釣魚了。Ifshehadbeentherethatnight,shemighthavebeenhurt.她要是那天晚上在場的話，她也許就受傷了。2023/2/43中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳Ifthesunweretoriseinthewest,Iwouldfollowyou.太陽要是從西邊升起來，我就愿意跟隨你。（事實(shí)上：太陽不會從西邊升起，我也不可能跟隨你。）Ifheshouldcometomorrow,wewouldbegreatlysurprised.他明天要是來了，我們將大感驚訝。2023/2/44中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳注意：錯綜時間句:條件從句和主句時態(tài)不一致Iftheweatherhadbeenmorefavorable,thecropswouldbegrowingstillbetter.Tonywouldbestudyingattheuniversitynowifhehadpassedtheentranceexamination.Ifhehadtakenthedoctor’sadvice,hewouldbequiteallrightnow.2023/2/45中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳重點(diǎn)：省略if的情況在虛擬條件句中，如謂語包含were,had,should等詞，則可以把這些詞放到主語前面，省略if。Ifsheweremydaughter,IcouldsuggestseveralstepsIshouldconsideritprofitabletotake.===Wereshemydaughter,IcouldsuggestseveralstepsIshouldconsideritprofitabletotake.2023/2/46中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳IfIhadrealizedwhatyouintendedIshouldnothavewastedmytimetryingtoexplainmatterstoyou.=HadIrealizedwhatyouintendedIshouldnothavewastedmytimetryingtoexplainmatterstoyou.Ifyoushouldchangeyourmind,letusknow.=Shouldyouchangeyourmind,letusknow.2023/2/47中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳1、_____youwerebusy,Iwouldn‘thavebotheredyouwithmyquestions.（1996年39題）

A.IfIrealizedB.HadIrealized

C.DidIhaverealizedthatD.AsIrealized2、_____,Ishouldaskthemsomequestions.

A.ShouldtheycometousB.Iftheycometous

C.WeretheycometousD.Hadtheycometous

1997年30題3.Hewillnotdoithadheknownhowserioustheoutcomewouldbe.（2005.11）

2023/2/48中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳

重點(diǎn)：

含蓄條件句有時一個假設(shè)的情況不用條件從句表示，而用其它方式來表示，這樣的句子叫含蓄條件句。常用with，without，otherwise,or,but,butfor。Withoutelectricity,therewouldnotbemodernindustry.Withoutsteel,therewouldbehardlyanyindustrytalkabout.2023/2/49中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳Butforairandwater,nolivingthingscouldexist.Iwasbusyyesterday,otherwiseIwouldhavecometoseeyou.Idon’tknowhisaddress;otherwiseIwouldwritehimearlier.Ididn’tknowhisaddress;otherwiseIwouldhavewrittenhimearlier.

2023/2/410中國人民大學(xué)繼續(xù)教育學(xué)院楊慶芳eg.1、Withoutyourhelp,we_____somuch.

A.didn’tachieveB.wouldnothaveachieved

C.willnotachieveD.don’tachieve

1996年33題）2、Butfortherain,we_____