【must】must表示推测的用法
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解决时间 2021-03-10 09:33
- 提问者网友:溺爱和你
- 2021-03-09 14:31
【must】must表示推测的用法
最佳答案
- 五星知识达人网友:深街酒徒
- 2021-03-09 14:58
【答案】 21.5 must表示推测
1) must用在肯定句中表示较有把握的推测,意为一定.
2) must表对现在的状态或现在正发生的事情的推测时,must后面通常接系动词be的原形或行为动词的进行式.
You have worked hard all day.You must be tired. 你辛苦干一整天,一定累了.(对现在情况的推测判断)
He must be working in his office.他一定在办公室工作呢.
比较:
He must be staying there.
他现在肯定呆在那里.
He must stay there.
他必须呆在那.
3) must表示对已发生的事情的推测时,must要接完成式.
I didn't hear the phone.I must have been asleep. 我刚才没有听到电话,我想必是睡着了.
4) must表示对过去某时正发生的事情的推测,must后面要接不定式的完成进行式.
---Why didn't you answer my phone call?
---Well,I must have been sleeping,so I didn't hear it.
5)否定推测用can't.
If Tom didn't leave here until five o'clock,he can't be home yet. 如果汤姆五点才离开这儿,他此时一定还未到家.
1) must用在肯定句中表示较有把握的推测,意为一定.
2) must表对现在的状态或现在正发生的事情的推测时,must后面通常接系动词be的原形或行为动词的进行式.
You have worked hard all day.You must be tired. 你辛苦干一整天,一定累了.(对现在情况的推测判断)
He must be working in his office.他一定在办公室工作呢.
比较:
He must be staying there.
他现在肯定呆在那里.
He must stay there.
他必须呆在那.
3) must表示对已发生的事情的推测时,must要接完成式.
I didn't hear the phone.I must have been asleep. 我刚才没有听到电话,我想必是睡着了.
4) must表示对过去某时正发生的事情的推测,must后面要接不定式的完成进行式.
---Why didn't you answer my phone call?
---Well,I must have been sleeping,so I didn't hear it.
5)否定推测用can't.
If Tom didn't leave here until five o'clock,he can't be home yet. 如果汤姆五点才离开这儿,他此时一定还未到家.
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- 1楼网友:一叶十三刺
- 2021-03-09 16:24
这个问题我还想问问老师呢
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