4. 虛擬語氣

　　(1)條件句

　　If I were you I’d…… (199306-7) (199601-9) (199706-10) (200006-4)

　　If only…… (199401-9)(200312-3)

　　It would be better……if……(199601-3)

　　If it hadn’t …… I might have…… (199606-3)

　　If you try doing sth ,you’d ……(200001-5)

　　I wouldnt have trouble him so much if I had know…… (200006-3)

　　Wish

　　I wish I could……(199301-9)(199306-3)

　　I(only)wish …… (199401-9)(199806-2)(199806-3)(200106-4)

　　Its high time… --(199706-6)

　　(2)強調(diào)句

　　It is……that/ who……

　　It was the third time……(199501，4)

　　It’s difficult to ……(199501，4)

　　It’s high time (that)……(19976-6)

　　Its one of the best that Ive heard on this topic. (200101，5)

　　It was very important……(200201-9)

　　(3)助動詞DO：

　　We do need …… but……(199506，10

　　But if it does rain, the whole thing will have to be canceled. (200206，4)

　　(4)反問

　　How could you do ……? (200101，5)(200201，9)