Unit4Whatwouldyoudo?SectionAGrammarfocus1.虛擬語氣：如果我們所說的不是事實(shí),也不是要求、命令、勸告等，而只是一種假設(shè)、愿望、建議或是一種實(shí)現(xiàn)不了的空想就用虛擬語氣。

注意:條件句分兩種,真實(shí)條件句和虛擬條件句。只有在虛擬(非真實(shí))條件句中,才用虛擬語氣,而在真實(shí)條件句中,要用陳述語氣。請(qǐng)比較：(1).Ifitissunnytomorrow,we’llgotothezoo.

如果明天天氣好,我們將會(huì)去公園。在這句話中,明天天氣好是完全有可能實(shí)現(xiàn)的,并非虛擬、幻想,因此是真實(shí)條件句。(2).IfIwereyou,Iwouldgoatonce.(如果我是你的話,我立刻就走。)這句話是條件句“如果我是你”,但事實(shí)上,我不可能成為你,這只是假設(shè)的情況,沒有實(shí)現(xiàn)的可能。當(dāng)條件實(shí)現(xiàn)的可能性很小,甚至可以說沒有時(shí),就需要用虛擬語氣來表示,動(dòng)詞發(fā)生了變化。也就是說虛擬語氣表示和現(xiàn)實(shí)的事實(shí)相反時(shí)，從句一般用過去時(shí)或were,主句用“should/would/could/might+動(dòng)詞原形”。IfIhadtime,Iwouldgoforawalk.IfIwereinvited,Iwouldgotothedinnerparty.IfIwonamilliondollarsinthelottery,Iwouldputitinthebank.2.Hedoesn’tknowifheshouldbringapresent.

此處if表示“是否”,引導(dǎo)賓語從句。Should此處表示“應(yīng)該”,不是虛擬語氣。e.g.

①.Idon’tknowifIshouldgototheparty.②.IfIhaveenoughmoney,IwillgotoHainan.

Present在這是“禮物”的意思。3.IfIwereyou,I’dwearashirtandtie.if引導(dǎo)的條件狀語從句表示與現(xiàn)在事實(shí)相反的虛擬語氣時(shí),be動(dòng)詞只能用were,而不能用was。e.g.Ifhewerehere,hewouldnotagreewithyou.4.Idon’thaveapresent.Whatifeveryoneelsebringsapresent?

Whatif…“如果……怎么辦?”相當(dāng)于whatwouldhappenif…e.g.WhatshallIdoifitsnows?3aMatcheachproblemwiththecorrectadvice.1.I’mreallyshyandIjustdon’tenjoyparties.Idon’tknowwhattosayordo.--Mouse2.IgetnervousbeforebigpartiesandthenIgetpimples.Theylookterrible!WhatshouldIdo?--Spotty3.Ican’tsleepthenightbeforeItakeabigexam.ThenI’mtootiredtodowell.WhatshouldIdo?--Sleeplessa.Thefoodsyoueatcouldhelpwiththisproblem.Youshouldeatlotsoffruitsandvegetablesanddrinklotsofwater.b.IfIwereyou,I’dtakealongwalkbeforegoingtobed.Thatshouldhelpyourelax.c.IfIwereyou,I’dtalktosomeonewholooksfriendly.Thenyouwon’tfeelsoshy.cabExplanationIgetnervousbeforebigparties.

在大的晚會(huì)之前,我會(huì)感到緊張。

getnervous

變得緊張,get是系動(dòng)詞,nervous是形容詞做表語。又如:benervous或feelnervous均可表達(dá)同樣的含義。3bThinkofdifferentadvicefortheproblemsinactivity3a.Roleplayconversationswithyourpartner.Sampleconversations：

1.—I’mreallyshyandIjustdon’tenjoyparties.Idon’tknowwhattosayordo.WhatshouldIdo?—IfIwereyou,I’dtalktopeopleIdon’tknow.2.—IgetnervousbeforebigpartiesandthenIgetpimples.Theylookterrible!WhatshouldIdo?—IfIwereyou,I’dtrytotalktosomeoneandforgetabouttheparties.3.—Ican’tsleepthenightbeforeI