情态动词+ have done 虚拟语气 推测
It is high time that….did/ should do
1. You shouldn’t have been following him so closely; __________(你应该与他保持距离)
答案： you should have kept your distance
对过去情况的虚拟
2.
You ________ (当时要是对那位顾客更耐心些; I’m sure that selling him the watch was a possibility.
should have been more patient with that customer.
答案：
3. She said that the driver must have had an accident; ________(否则他当时应该已经到了)
答案： otherwise he should have arrived then.
4. Were _______ (如果他们在我们出发前到达的话) the day after tomorrow, we should treat them to a wonderful dinner.
答案； they to arrive before we depart.
If they were to arrive before…. Were they to arrive before we leave/ depart ,
Were to do should do did
5. The house is in a mess; it _________(肯定没打扫过)
答案： cannot have been cleaned.
6. It is essential that _______ (这些申请表应当尽早地寄出。
答案： these application forms be sent out as early as possible.
7. Jack wishes that he ________(他当初上大学时学的是商务)。
had studied business when he was in university/ at college. Wish were/ did Had done
Would/ could. + do
答案：
8. If I hadn’t stood under the ladder to catch you when you fell, _______________(你现在就笑不出来了)
答案： you wouldn’t be smiling now.
9. I’d rather you ________________ (暂时别就此事发表任何评论)
答案： didn’t make any comment on the issue for the time being / for the moment.
Would rather do sth.
Would rather that sb. Did/ had done
10. If I correct someone, I will do it with as much good humor and self-restraint ________(就好像我是正在被指正的人似的)
答案 as if I were the one being corrected.
11. The bank _________(据当地报纸报道被抢劫了)in broad daylight yesterday.
答案： was reported in the local newspaper to have been robbed.
第二大类： 比较
1. In recent years ________(更注重) developing the students’ productive skills.
答案： much more emphasis has been put on
2. There are few electronic applications _________(更有可能引起担忧) .
答案： more likely to raise / cause fears.
Cannot be too careful / can never be too careful
第三大类： 倒装
1. _______________ ( 他刚一获得冠军) than he told the good news to his parents.
答案： No sooner had he won the championship.
2. ______________(直到比赛开始了半小时) did he arrive at the sports ground.
答案： Not until the game had begun for half an hour.
It is not until +…. That …..