英语情态动词真的是太容易让人糊涂了！
同意的，请举手！
今天，我们就来一起分析一下，如何使用英语情态动词，表示“可能”和“不可能”
Possible（可能，但不确定）1.将来的possible
could, might 和 may
- They might come later. (= Perhaps/Maybe they will come later.)
- They may come by car. (= Perhaps/Maybe they will come by car.)
- If we don't hurry we could be late. (= Perhaps/Maybe we will be late)
2.现在或过去的possible
could have, might have 和 may have
- It's ten o'clock. They might have arrived now.
- They could have arrived hours ago.
3.普遍意义上的possible（一般都是可能如此）
现在用can；过去用could
- It can be very cold in winter. (= It is sometimes very cold in winter)
- You can easily lose your way in the dark. (= People often lose their way in the dark)
- It could be very cold in winter. (= Sometimes it was very cold in winter.)
- You could lose your way in the dark. (= People often lost their way in the dark)
不可能Impossible:
现在或将来不可能用can't ；过去不可能用couldn't
- That can't be true.
- We knew it could not be true.
Probable（可能，且确定性很大）
1.肯定发生，且理由充分
must
- It's getting dark. It must be quite late.
- You haven't eaten all day. You must be hungry.
2.过去肯定发生，且理由充分
must have
- They hadn't eaten all day. They must have been hungry.
- You look happy. You must have heard the good news.
3.现在或将来非常有可能，且理由充分
should
- Ask Miranda. She should know.
- It's nearly six o'clock. They should arrive soon.
- We use should have to talk about the past:
- It's nearly eleven o'clock. They should have arrived by now.
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#英语# #考研# #雅思考试# #大学英语四级#
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