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.
百度教育团队【海纳百川团】为您解答
请点击“选为满意回答”按钮,
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.
百度教育团队【海纳百川团】为您解答
请点击“选为满意回答”按钮,