he never doubt that he is honest

问题描述:

he never doubt that he is honest
这里为什么用that,不用weather
1个回答 分类:英语 2014-09-18

问题解答:

我来补答
很高兴为你解答!
这是个固定用法.doubt+宾语从句
在否定句和疑问句中,doubt后面接that引导的宾语从句.例如:
I don”t doubt that he can finish the task on time.我相信他能按时完成任务.
Do you doubt that she will succeed?你怀疑她会成功吗?
在肯定句中,doubt后面一般接whether或if引导的宾语从句.例如:
I doubt whether they can swim across the river.我怀疑他们能否游过河去.
He doubts if she will keep her word.他不敢肯定她是否会遵守诺言.
这句话是否定句,所以只能用that
 
 
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