如题所述
第1个回答 2022-10-03
be certain to do 和be sure to do的区别
一、祈使句中用法不同
1、Be sure (not) to do sth.意思是一定要或不要做某事,祈使句通常采用be sure to do。 如:
Be sure not to forget it.
千万别忘记啦。
Be sure to get there before nine.
务必在九点前到达。
2、祈使句中通常不用 certain。
二、在句中用了或形式宾语 it 时用法不同
1、在句中用了形式主语或形式宾语 it 时,通常只用certain。如:
It's certain that he'll come tomorrow.
他明天肯定会来。
I thought it certain to be late.
我肯定会迟到。
2、在句中用了形式主语或形式宾语 it 时不用sure。
扩展资料:
be certain to do 和be sure to do表示“一定”或“确信”,有时可互换。通常后接。如:
He's certain [sure] to win. 他一定会成功。
They're certain [sure] to need help. 他们肯定需要帮助。
If you do this, you are certain [sure] to be found out. 如果你这样做一定会被发现。
第2个回答 2024-02-21
一,相同点:
be sure 和be certain 都可以表示“一定,必然”等意思。例如:
Be sure to win the game! 一定赢得比赛!
It's certain for us to finish the task on time.
我们一定能按时完成这项任务。
二,不同点:
1,be sure 经常用人来做主语,即构成 sb be sure to do sth/sb be sure of sth/sb
be sure about sth/ sb be sure that 等搭配用法。例如:
I'm sure to go to the market at ten a.m.
我当然会在早晨十点去市场。
Tom is sure to come over and help out.
汤姆一定会过来帮忙的。
2,be certain 主语往往是形式主语 it或者事物,即构成 It's certain to do sth/It's certain that 等结构搭配。例如:
It's certain that Mary will win the long jump
game.玛丽一定会赢得跳远比赛。
be sure 和be certain 都可以表示“一定,必然”等意思。例如:
Be sure to win the game! 一定赢得比赛!
It's certain for us to finish the task on time.
我们一定能按时完成这项任务。
二,不同点:
1,be sure 经常用人来做主语,即构成 sb be sure to do sth/sb be sure of sth/sb
be sure about sth/ sb be sure that 等搭配用法。例如:
I'm sure to go to the market at ten a.m.
我当然会在早晨十点去市场。
Tom is sure to come over and help out.
汤姆一定会过来帮忙的。
2,be certain 主语往往是形式主语 it或者事物,即构成 It's certain to do sth/It's certain that 等结构搭配。例如:
It's certain that Mary will win the long jump
game.玛丽一定会赢得跳远比赛。