虛擬語氣常見句型

1、對(duì)過去的虛擬If sb. had done sth, sb. would have done sth對(duì)現(xiàn)在的虛擬 If sb. did sth, sb. would do sth對(duì)將來的虛擬 If sb. did sth, sb. would do sthIf sb. were to dosth, sb. would do sthIf sb. should do sth, sb. would do sth錯(cuò)綜虛擬條件 句（if+過去完成 時(shí),sb. would do sth）If the doctor had come sooner lastnight, Tom would be alive

2、today.If you had studied hard at that time, you would be a key university student now.虛擬條件句,從 句可以省略if,但謂語動(dòng)詞要部分倒裝含蓄虛擬條件句標(biāo)志性詞匯:without （如果 沒有）,but for（要不是）,otherwise/or（否則）*if條件句可以與 without/but for.互相轉(zhuǎn)換，意 思相同。7.表示建議要求 命令等動(dòng)詞以 及相應(yīng)的名詞 引導(dǎo)的名詞性 從句，通常跟 should 結(jié)構(gòu).Insist/suggest/ad vise/command/or der/urge/rec

3、omm end/require/requ est/propose that sb. should do sth *insist 做“認(rèn) 為”講時(shí),相當(dāng)于 think, 不用 should 結(jié)構(gòu).Suggest 做“暗 示,表明”講時(shí)，相 當(dāng)于imply,不用 should 結(jié)構(gòu).8.常見的should 結(jié)構(gòu)句型Its necessary/natura lfimportant/vitai/ essential（天鍵 的，至關(guān)重要勒/probable （很可 能）/修修孳+qspi6.ips op ppoqs qs mp japuoM on pnieqs e e si ii q;sopjinoiK

4、,s|jdjiis再皿】切 kw 也陶晶既）叩iWish that sb. had done sth （對(duì)過去虛擬） Wish that sb. did sth （對(duì)現(xiàn)在虛擬） Wish that sb. would do sth （對(duì)將來虛擬）would rather 后的虛擬語氣 只有兩種句型:would rather sb. did sth（對(duì)現(xiàn)在和將來虛 擬）would rather sb.had done sth（對(duì)過去虛擬）If only !（虛擬語氣）as f as though如果表;.示與事實(shí)相反 的情況，要用虛 擬語氣.as if sb. did sth（對(duì)現(xiàn)在虛擬）.as if sb. had done sth（對(duì)過去虛擬）.as if sb. would do sth（對(duì)將來虛擬）isItishigh/abouttime+虛擬語氣It is high/about time t