certain 句式与搭配
1 . be certain of [about ] sth 对某事有把握或感到自信。如:
Hes certain of success. 他自信会成功。
Are you certain of [about] that? 你对此有把握吗?
2 . be certain to do sth 肯定会发生某事。如:
Shes certain to pass the exam. 她考试肯定会及格。
Spring is certain to follow winter. 冬季过后一定是春天。
注:该结构有时可用 I am certain that 来转换。如:
He is certain to come. / I am certain that he will come. 他肯定会来。
3 . be certain of doing sth 确信会发生某事。如:
He is certain of winning the match. 他确信能赢这场比赛。
注:该结构有时可与后接 that 从句的句型转换。如:
He is certain of passing the exam. / He is certain that hecan pass the exam. 她确信考试会及格。
4 . for certain 有把握,肯定地。如:
I dont know for certain. 我知道得不确切。
I cant say for certain when he will come. 我不敢肯定地说他什么时候来。
5 . make certain 弄清楚,弄得有把握,核实。如:
单独使用。如:
I think the train leaves at six oclock but you ought to make certain. 我想火车是六点开吧,但你应该查清楚。
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