【正文】
+Ved, could/should/might/would+have done If should+ V原形 were to+ V原形 , 情態(tài)動(dòng)詞 +V原形 If I were you, I could/should/might/would take a book. ③ 第三種情況 : as if /though + 句子 “好像” (時(shí)態(tài)往前推一格) He looks as if he were drunk. They talked as if they had been friends for years. ④ 第四種情況 : It is (about/high) time + 句子 “ 是該做某事的時(shí)候 ” (時(shí)態(tài)往前推一格) It is high time that you went. It is high time something was done about it. ⑤ 第五種情況 : If only + 句子 “要是 … 就好了” (時(shí)態(tài)往前推一格) If only I knew his name! 現(xiàn)在的虛擬 If only we had followed your advice! 過去的虛擬 If only I would see him again! 將來的虛擬 ⑥ 第六種情況 : Would rather + 句子