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什么是否定？
否定是将句子变为否定形式，以表明某事不真实或没有发生。
两个常用的否定词
在英语中，有两个词常用于使句子变为否定形式：
no
not
No
'No'用作对是/否问题的否定回答。
- 'Is there any cake left for me? + 'No! Sorry!'
- ' 还有蛋糕留给我吗？' + '没有！抱歉！'
它也可以放在名词前，以构成否定句并表示否定。
We have no time to celebrate.
我们没有时间庆祝。
He has no friends.
他没有朋友。
Not
'Not'是与动词一起使用的最常见的否定词。例如：
I am not a student.
我不是学生。
'Not'的缩写形式是'n’t'，通常出现在助动词或情态动词后，以使句子变为否定形式。
She isn't working on Friday.
她星期五不工作。
I can't sing.
我不会唱歌。
Quiz:
Which sentence uses "no" correctly?
I no happy.
We have no money.
She no working on Friday.
They no understand English.
Which sentence correctly uses "not"?
I not happy.
He has not friends.
She is not coming to the party.
You not allowed to park here.
Which sentence uses the correct form for negation?
I am no going to the meeting.
She is not happy with the decision.
He can no attend the event.
She has not worries.
Sort the words to form a correct sentence.
Fill the blanks with the correct word to make the sentence negative.
A: Is there any food left for me? B:
! Sorry!
She is
going to the concert because she has a lot of work to do.
He could
find his keys anywhere, so he was late to work.
We have
idea what happened during the meeting.
I'm
a teacher; I’m a student.
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