虛擬語氣常見句型

1、.1. 對過去的虛擬If sb. had done sth, sb. would have done sth 2. 對現(xiàn)在的虛擬If sb. did sth, sb. would do sth 3. 對將來的虛擬If sb. did sth, sb. would do sthIf sb. were to do sth, sb. would do sthIf sb. should do sth, sb. would do sth 4. 錯綜虛擬條件句(if+過去完成時(shí), sb. would do sth)If the doctor had come sooner last night, Tom

2、would be alive today. If you had studied hard at that time, you would be a key university student now. 5. 虛擬條件句,從句可以省略if, 但謂語動詞要部分倒裝.6. 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/advise/com

3、mand/order/urge/recommend/require/request/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/natural/important/vital/essential(關(guān)鍵的，至關(guān)重要的)/probable（很可能）/advisable/desirable（明智的，可取的）/strange/surprising/funny that s

4、b. should do sth It is a pity/ a shame/ no wonder that sb. should do sth. 9. wish+賓語從句,要用虛擬語氣.Wish that sb. had done sth (對過去虛擬)Wish that sb. did sth (對現(xiàn)在虛擬)Wish that sb. would do sth (對將來虛擬)10. would rather后的虛擬語氣只有兩種句型:would rather sb. did sth (對現(xiàn)在和將來虛擬)would rather sb. had done sth (對過去虛擬)11. If only! (虛擬語氣)12. as if/ 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 (對現(xiàn)在虛擬)as if sb. had done sth(對過去虛擬)as if sb. would do sth (對將來虛擬)13. It is high/about time+虛擬語氣It is high/about time