Be sure of与Be sure to有什么区别
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Be sure of与Be sure to有什么区别
Be sure of与Be sure to有什么区别
Be sure of与Be sure to有什么区别
be sure of/about + 名词,代词,动名词 意为确信,对…有把握 表示对客观事物有肯定的认识和判断,主语必须是人.e.g.As Jordan joined our team,we are sure of winning the game this time.另外我们还要注意一些别的表达：① be sure to … 一定,肯定 后接不定式往往表示局外人的推测,评论,主语不一定是人.e.g.It's sure to rain tomorrow.比较：a.He is sure to live to ninety.他肯定可以活到九十岁.b.He is sure of living to ninety.他自信可以活到九十岁.② Be sure to 用于祈使句时,"务必,切望"解.③ be sure 接that从句时,意为：认为…一定会,主语必须是人,连词that可以省略,be sure 后面还可以接由whether,where,when 或 who 等引导的名词性从句,这时,主句通常是否定形式.E.g.我不能肯定今晚是否有空.I am not sure whether I will be free or not tonight.
■ be sure of (1) 对……有把握。如： Are you sure of these facts? 你对这些事实有把握吗？ 注：有时说成 be sure about。如： I’m not sure of [about] that. 我对此没有把握。 (2) 一定会得到……。如： You are sure of a warm welcome. 你一定会受到热烈欢迎。 He is su...
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■ be sure of (1) 对……有把握。如： Are you sure of these facts? 你对这些事实有把握吗？ 注：有时说成 be sure about。如： I’m not sure of [about] that. 我对此没有把握。 (2) 一定会得到……。如： You are sure of a warm welcome. 你一定会受到热烈欢迎。 He is sure of passing the exam if he works hard. 只要他用功，他就一定能考及格。 ■ be sure to do sth 一定要(会)做某事。如： Be sure to lock the door when you leave. 你离开时一定要锁门。 You’re sure to fail if you do it that way. 你要是那样做，你肯定会失败。 注：有时可与 be sure that-clause 转换。如： Be sure you finish it today. / Be sure to finish it today. 你今天一定要把它完成。
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be sure of doing 做某事有把握 be sure to do sth 肯定会做某事
Be sure of+名词 Be sure to+动词