介绍:
129- 130
1、他那时不可能病了。
He can't have been ill.
他那时肯定是累了。
He must have been tired.
2、他今天早上没有早起。他那时肯定很累。
He didn't get up early this morning.He must have been very tired.
3、他昨天没有来上班。他那时肯定是病了。
He didn't come to work yesterday. He must have been ill.
4、他今天早上没有来办公室。他不得不呆在家。
He didn't come to the office this morning. He had to stay at home.
5、我丢了我的钢笔所以我不得不买支新的。
I lost my pen so I had to buy a new one.
6、他忘记他的箱子了所以他不得不返回家里。
He forgot his case so he had to return home.
7、她没听到那电话。她那时一定在睡觉。
She didn't hear the phone. She must have been sleeping.
8、我认为他们以前是屠夫。
I think they were butchers.
我不认为他们是。
I don't think they were.
他们那时不可能是屠夫。
They can't have been butchers.
他们当时肯定是面包师。
They must have been bakers.
9、我认为她以前是个牙医。
I think she was a dentist.
我不认为她是。
I don't think she was.
她那时不可能是牙医。
She can't have been a dentist.
她当时肯定是个医生。
She must have been a doctor.
10、我认为他以前是个销售员。
I think he was a sales rep.
我不认为他是。
I don't think he was.
他当时不可能是个销售员。
He can't have been a sales rep.
他当时肯定是老板。
He must have been the boss.
11、我认为她那时是17岁。
I think she was seventeen.
我不认为她是。
I don't think she was.
她当时不可能是17岁。
She can't have been seventeen.
她当时肯定是21岁。
She must have been twenty-one.
12、我认为他们那时是5岁。
I think they were five.
我不认为他们是。
I don't think they were.
他们那时肯定不是5岁。
They can't have been five.
他们当时肯定是7岁。
They must have been seven.
13、我想昨天是17号。
I think it was the 17th yesterday.
我不认为它是。
I don't think it was.
昨天不可能是17号。
It can't have been the 17th yesterday.
昨天肯定是16号。
It must have been the 16th yesterday.
14、我认为昨天是星期二。
I think it was Tuesday yesterday.
我不认为是它是。
I don't think it was.
昨天不可能是星期二。
It can't have been Tuesday yesterday.
昨天肯定是星期三。
It must have been Wednesday yesterday.
15、我想昨天是19号。
I think it was the 19th yesterday.
我不认为它是。
I don't think it was.
昨天不可能是19号。
It can't have been the 19th yesterday.
昨天一定是20号。
It must have been the 20th yesterday.
16、我认为它那时是便宜的。
I think it was cheap.
我不认为它是。
I don't think it was.
它那时不可能是便宜的。
It can't have been cheap.
它那时一定是贵的。
It must have been expensive.
17、我认为它曾是容易的。
I think it was easy.
我不认为它是。
I don't think it was.
它当时不可能是容易的。
It can't have been easy.
它当时肯定是难的。
It must have been difficult.
18、我认为她当年是老的。
I think she was old.
我不认为她是。
I don't think she was.
她当时不可能是老的。
She can't have been old.
她当时肯定是年轻的。
She must have been young.
19、我想他当是病了。
I think he was ill.
我不认为他是。
I don't think he was.
他当时不可能是病了。
He can't have been ill.
他那时肯定是累了。
He must have been tired.
20、我认为他们曾在听音乐。
I think they were listening to the music.
我不认为他们是。
I don't think they were.
他们那时不可能是在听音乐。
They can't have been listening to the music.
他们当时肯定是在看电视。
They must have been watching television.
21、我想她曾准备退休。
I think she was retiring.
我不认为她是。
I don't think she was.
她那时不可能是准备退休。
She can't have been retiring.
她那时肯定是在寻找一份新工作。
She must have been looking for a new job.
22、我认为他们当时正坐着。
I think they were sitting.
我不认为他们是。
I don't think they were.
他们那时不可能正坐着。
They can't have been sitting.
他们那时肯定是正站着的。
They must have been standing.
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