1. | （构成动词 be、do 和 have 及情态动词 can 或 must 等的否定形式，常缩略为 n't）不，没有used to form the negative of the verbsbe ,do andhave and modal verbs likecan ormust and often reduced ton't |
She did not/didn't see him. 她没看见他。 | |
It's not/It isn't raining. 没下雨。 | |
I can't see from here. 我从这儿看不见。 | |
He must not go. 他绝不能走。 | |
Don't you eat meat? 你不吃肉吗？ | |
It's cold, isn't it? 很冷，是吧？ |
2. | （否定后面的词或短语，或作否定的回答）不，没有used to give the following word or phrase a negative meaning, or to reply in the negative |
He warned me not to be late. 他提醒我不要迟到。 | |
I was sorry not to have seen them. 我很遗憾没有见到他们。 | |
Not everybody agrees. 不是每一个人都同意。 | |
‘Who's next?’ ‘Not me.’ “下一位是谁？”“不是我。” | |
‘What did you do at school?’ ‘ Not a lot .’ “你在学校干什么了？”“没做多少事。” | |
It's not easy being a parent(= it's difficult) . 为人父母真不容易啊。 |
3. | （用于 hope、expect、believe 等动词后，作为否定的回答）不，没有used afterhope ,expect ,believe , etc. to give a negative reply |
‘Will she be there?’ ‘I hope not.’ “她会在那儿吗？”“但愿不会。” | |
‘Is it ready?’ ‘I'm afraid not.’ “准备好了吗？”“恐怕还没呢。” | |
‘Does he know?’ ‘I believe not.’ “他知道吗？”“我想他不知道。” |
4. | or ~ （表示否定的可能性）否，或许不used to show a negative possibility |
I don't know if he's telling the truth or not. 我不知道他是否说了真话。 |
5. | （拒绝或不允许）不used to say that you do not want sth or will not allow sth |
‘Some more?’ ‘Not for me, thanks.’ “再来点儿吗？”“我不要了，谢谢。” | |
‘Can I throw this out?’ ‘Certainly not.’ “我把这个扔了，行吗？”“当然不行。” |
