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变否定句(含has)

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为什么将Luncy has a nice bike 改为否定句为Lucy has not a nice bike是错的?
变否定句(含has)
解题思路: next
解题过程:
Luncy has a nice bike 改为否定句为Lucy has not a nice bike是错的?这个改变不算错.这个句子有两个否定句。当have/has当“有”讲时,它有两个否定句。即可以直接在have/has之后直接加not,也可以加助动词don't/doesn't.现在一般情况使用后者。
lucy has a nice bike.------lucy doesn't have a nice bike.
例如:i have an apple.改为否定句。1.i have an apple. 2.i don't have an apple. the boy has some good friends.改为否定句。1.the boy hasn't any good friengs. 2.the boy doesn't have any friends.
最终答案:略