|
【例40】 —I'll tell Mary about the result of her final examination. —You ________ her yesterday. A．ought to tell B．may tell C．would have told D．ought to have told 答案 D 2．could have done表示过去本能够做而实际上未做，含有责备或遗憾之意。 【例41】 —You ________ your teacher for help.He is kind－hearted. —Yes.A whole day was wasted. A．can B．must have asked C．could have asked D．shouldn't have asked 答案 C 3．might have done表示过去本可以做而实际上未做，含有责备或遗憾之意。 【例42】 He ________ you more help, even though he was very busy. A．might have given B．might give C．may have given D．may give 答案 A 4．needn't have done表示过去本没有必要做，但实际上做了，含有遗憾之意。 【例43】 Mark ________ have hurried.After driving at top speed, he arrived half an hour early. (2010·天津) A．needn't B．wouldn't C．mustn't D．couldn't 答案 A 【例44】 She was too nervous to reply, but fortunately she ________ anything. A．didn't need to say B．needn't have said C．needn't say D．doesn't need to say 答案 A 二、虚拟语气 (一)虚拟条件句的三种基本类型 1．若与现在事实相反，条件从句的谓语用一般过去时(be通常用were)，主句谓语用“would (should，could，might)＋动词原形”。 【例45】 If places ________ alike, there ________ little need for geographers. A．are；should be | 
