虛擬語(yǔ)氣和倒裝句

1、1虛擬語(yǔ)氣的用法及專項(xiàng)練習(xí)題虛擬語(yǔ)氣的用法及專項(xiàng)練習(xí)題虛擬語(yǔ)氣表示一種假設(shè)的情況，或一種主觀的愿望，即動(dòng)詞所表示的動(dòng)作或狀態(tài)并非事實(shí)，或不可能實(shí)現(xiàn)。英語(yǔ)虛擬語(yǔ)氣的形式有下列幾種：一、與現(xiàn)在事實(shí)相反連接詞條件從句結(jié)果從句If1.動(dòng)詞過(guò)去式(或were)2.助動(dòng)詞（過(guò)去式）動(dòng)詞原形ShouldWould動(dòng)詞原形couldmightIfhadthetimeJohnwouldmakeatriptoChinatoseetheGreatWall.I

2、fIwereyouIwouldgiveupdrinkingimmediately.二.與將來(lái)事實(shí)相反連接詞條件從句結(jié)果從句If1.should動(dòng)詞原形2.動(dòng)詞過(guò)去式3、wereto動(dòng)詞原形ShouldWould動(dòng)詞原形couldmightIfyoushouldlosewhatwouldyoudo3(=Ifyouhadn’thelpedme…)3.有時(shí)條件從句中的動(dòng)作和結(jié)果從句中的動(dòng)作發(fā)生的時(shí)間不一致，如：Ifhehadfollowedt

3、hedoct’sadvicehewouldbequiteallrightnow.IfIwereyouIwouldhavegonehome.五、虛擬語(yǔ)氣的其他用法1、Suggestadvise等動(dòng)詞之后賓語(yǔ)從句須用虛擬語(yǔ)氣，其句子結(jié)構(gòu)如下：suggestadviserecommenddemrequireinsisturgerequestderthat…(should)動(dòng)詞原形devideaskmovepropose等注意：在此結(jié)構(gòu)中tha

4、t不可省略；should省不省均可。Hesuggestedthatthey(should)stopsmoking.上述動(dòng)詞的名詞形式出現(xiàn)時(shí)，that引導(dǎo)的從句仍用虛擬語(yǔ)氣。Hemadearequestthatthey(should)stopsmoking.如果that引導(dǎo)的從句所表達(dá)的內(nèi)容是事實(shí)，也可用陳述語(yǔ)氣。Heinsiststhatheisright.2、Itis(was)necessaryapity等that引導(dǎo)的從句須用虛擬語(yǔ)