2. 有时条件从句的谓语动词的动作
发生的时间不一致,这时动词的 形式要根据它所表示的时间加以 调整。
A.If you had listened to the doctor, you would be all right now. 从句动作指过去, 主句动作指现在。 B. If we hadn’t got everything ready by now, we should be having a terrible time tomorrow. 从句动作指过去, 主句动作指将来。
e.g. The doctor insisted that the patient (should) be X-rayed. 医生坚决主张病人做X光。 I suggest that we (should) set off at once . 我建议我们应该立即出发。
wish +宾语从句(虚拟语气), 表示 不可能实现的愿望 1) 与过去事实相反, 从句用过去完成 式:had done 2) 与现在事实相反, 从句用过去式: did/ were 3) 与将来事实相反, 从句用should/ would/ could/ might +do
Complete the sentences with the correct form of the verbs.
1. If Hitler _____________ hadn’t invaded (not invade) Poland in 1939, perhaps Britain wouldn’t have declared _____________________(not declare) war. have married (marry) in 1945, 2. She would _________________ hadn’t died ( not die) in if her fiancé__________ Normandy.