题目内容

18.我确信没什么能阻止我们努力学习.I'm sure that nothing can stop us from studying hard..

分析 I'm sure that nothing can stop us from studying hard.

解答 答案:I'm sure that nothing can stop us from studying hard.这里是说客观事实用一般现在时,这里是主从复合句,主句I'm sure表示我确信,后加that引导的宾语从句,主语nothing没什么,情态动词can能,后加动词原形,阻止某人去做某事stop sb from doing sth,宾格us我们,努力学习study hard,故答案是I'm sure that nothing can stop us from studying hard.

点评 sure用作形容词,意为"肯定的;当然的;有把握的".当对方询问你是否对某事有把握时,你觉得有把握用"I'm sure.".把握性不大时用"I'm not sure.".
be sure to do sth.表示要求,意为"务必做某事;请一定做某事",多用于祈使句.例如:
Be sure to telephone me and give me all the news.请一定要给我打电话,让我知道所有的消息.
be sure to do sth.还可表示一种推断,意为"一定做某事;肯定做某事".例如:
The child is sure to be a teacher.这孩子一定会成为一名教师.
be sure of/about (doing) sth.表示人对某事(物)的看法,意为"对…有把握".其后常接名词、代词或动词-ing形式.例如:
Are you sure of passing the exam?你有把握通过考试吗?
I'm not sure about English grammar.我对英语语法没有把握.
be sure+从句,意为"确信".例如:
I'm not sure that he will come.我不确信他会来.

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