1.(高考江西卷)We ________ have bought so much food now that Suzie won't be with us for dinner
A.may notB.needn'tC.can't D.mustn't解析:句意:既然 Suzie 不和我们共进晚餐,我们本不必买那么多的食物
本题考察虚拟语气
根据句意可知这里表达与过去事实相反的假设,needn't have done 表达本不需要做某事
A:也许不;C:不也许;D:严禁,不能与have done sth
答案:B2.(高考湖南卷 )Sorry,I am too busy now
If I ________ time ,I would certainly go for an outing with you
A.have had B.had had C.have D.had解析:句意:对不起,我目前太忙了
假如我有时间,我一定会跟你去郊游
考察虚拟语气
根据第一句可知设空处是对目前的假设,故 if 从句谓语动词为过去式
答案:D3.(高考江苏卷)—I left my handbag on the train,but luckily someone gave it to a railway official
—How unbelievable to get it back
I mean,someone________it
A.will have stolen B.might have stolenC.should have stolen D.must have stolen解析:句意:——我把手提包落在火车上了,不过,幸运的是,有人把它交给了乘警
——把包拿回来是多么不可思议啊
我的意思是,有人也许偷了你的包
本题考察情态动词的