精选优质文档-倾情为你奉上英语doubt句型用法doubt是个常用词,也是历年高考经常考查的词语之一。doubt既可用作动词,也可用作名词。现将其用法归纳如下。一、doubt用作动词1. doubt+名词或代词。例如:I doubt his word. 我怀疑他的话。They doubted him before. 他们以前曾经怀疑过他。2. doubt+宾语从句(1) 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?(2) 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