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?