He doesn't like meat at all.为什么要加do啊?
2个回答

句子变否定有几种:

1 谓语是be,直接在be后加not,

如,Iam a teacher.I am not a teacher.

2 谓语有情态动词,在情态动词后加not

如,He can sing.He can't sing.

3 不属于上两类者,加助动词do,加not

如,He sings well.He doesn't sing well.

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