1.My brother reads books after school.(改为否定句)2.My parentes usually cook nice food dor us.（一般疑问句）3.His brother works hard at his lessons.（一般疑问句）4.I think she can get a good score.（改为否定句）5.My cousin rides a bike to the cinema.（同义句）                 还有,可以教下我应该怎么改否定句和一般疑问句么,我英语成绩还可以的,就是不会这两个,                                                 拜托了,

1.My brother doesn't read books after school.
2.Do my parentes usually cook nice food for us?
3.Does his brother work hard at his lessons?
4.I don't think she can get a good score.
5.My cousin go to the cinima by riding a bike.
否定句一般把动词加not就可以了，当然要注意第三人称的不同，比如第一句就是does
一般疑问句就是把动词提前就行，注意第三人称的不同，比如第三句就是does，过去式用did！

1.My brother doesn't read books after school.
2.Do your parents usually cook nice food for you?
3.Does his brother work hard at his lessons?
4.I don't think she can get a good score.
5.My cousin goes to the cinema by bike.

My doesn't read books after schoolDo your parentes usually cook nice food for you?Does his brother work hard at his lessons?I don't think she can get a good scoreMy cousin goes to the cinema by bike

1.My brother doesn't read books after school.
2.Do your parents usually cook nice food for you?
3.Does his brother work hard at his lessons?
4.I don't think she can get a good score.
5.My cousin goes to the cinema by bike.
不难啊、要注意否定前移、、