must表示推测 的用法
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/10/01 19:09:52
must表示推测 的用法
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.
must表示推测 的用法
must 表推测的用法
关于情态动词表示推测的用法
关于must,can表明推测语气时的用法.
情态动词表示推测在不同句型的用法
单选(情态动词表示推测的用法)
反义疑问句must 表对现在的推测 意思是一定must表对过去推测怎么用 求【全部】关于以上信息的用法
could only have done表示对过去的推测,只可能...,是否等于must have done?
英语中关于推测的用法.比如:must have done是对过去的猜测 要情态动词的过去 未来 现在 的推测常用词组
must should could can may表示推测时有什么区别?
should和 must都可以表示推测吧?我记得.
请问情态动词表示推测的用法都有哪些啊?