1、专题四情态动词1Do you think Jack will lend us a hand?He is the last one to help others. He_lend his hand, though.Acan BmustCshould Dmight答案D句意:“你认为杰克会帮我们吗?”“他是最不愿帮人的一个人,但也可能他会帮我们。”表示“或许,可能”用may/might,can表示可能性常用于疑问句和否定句。2If you_leave early on weekdays, do it quietly. The other classmates are also dying to h
2、ave an early leave.Acan BmustCshould Dmay答案B句意:假如你非要在学习时间早离开,要静静地走,其他同学也急于早走。此处用must表示“偏要,硬要”,符合题意。3John looks a bit upset. Did you tell him the bad news?Yes, but I _him after his birthday party.Ashould have told Bmust have toldCshouldnt have told Dneednt have told答案A句意:“约翰看起来有点难过,你把那个坏消息告知他了吗?”“是的,
3、但我本应当在他生日后告知他。”表示本应当作某事用should have done。4According to the school rules, no child _be allowed out of the school during the day, unless accompanied by an adult.Awill BwouldCmight Dshall答案D句意:依据学校的规定,假如没有成人的陪伴,不允许孩子们白天走出校内。shall用来表示法律、规定等的事情。5I didnt go to work yesterday because my car broke down.You
4、_mine. I wasnt using it then.Amight borrow Bshould borrowCmust have borrowed Dcould have borrowed答案D句意:“我昨天没去上班由于我的车坏了。”“你原来可以用我的车,当时我没用。”表示原来可以作但却未作用can/could have done。6. _it rain tomorrow, we should have to put off the visit to the Yangpu Bridge.AWere BShouldCWould DWill答案B句意:假如明天下雨,我们应当推迟参观杨浦桥。从
5、句表示与将来事实相反的虚拟语气,用一般过去时、should加动词原形或were to加动词原形,且should或were可以提前。7We were stuck on the way to the scenic spot, otherwise we_lots of fun there.Ahad had Bhave hadCcould have had Dcould have答案C句意:我们在去景点的路上堵车了,否则的话,我们就会在那里玩得很开心。本题为错综虚实句,otherwise前面相当于表示与过去事实相反的从句,后面相当于与过去事实相反的主句,故用could have done。8If on
6、ly I_more confidence in the English speech contest held last week!Awould have BhadChad had Dhave答案C句意:我要是在上周的英语演讲竞赛中再自信些该有多好!if only相当于wish,表示与过去事实相反时用过去完成时。9I _sooner but I didnt know that they were waiting for me.Ahad come Bwas comingCwould come Dwould have come答案D句意:我原来可以早来,但是我不知道他们在等我。换句话说,假如我知道他们在等我,我就会早来。此处虚拟条件通过but示意出来,模式为“虚拟状况but真实状况”。 10_a little earlier, you could have got a copy of his latest book.AIf you would arrive BIf you arrivedCShould you arrive DHad you arrived答案D句意:假如你早到一会儿,你就会得到他的最新的一本书。表示与过去事实相反的虚拟语气,从句用过去完成时,且had可以提前构成倒装。