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有EnsurE sB Do这样的用法吗

应该是以下两种用法,ensure sb do 好像没有。 ensure sth. ensure that 也就是说ensure后接名词或名词从句,我是这么理解的 例句: The on-line analysers will help 【ensure】 we meet the statutory monitoring requirements and 【ensure】...

ensure可以直接跟名词,如The book ensured his success.还可以用ensure that从句,如Please ensure (that) all lights are switched off.此时that可以省略,还可以是ensure加双宾语

i cannot ensure his being on time 

see sb doing sth表示看的时候正在做的动作,强调当时正在做什么; see sb do sth表示看的时候把对方的整个动作都看完了,强调动作的完成。

可以。因为ensure that后可加宾语从句 保证后面是个完整的句子 且与前面有关联的话 that可以省略 就变成了 ensure sb do 句式。ex:Three pills should ensure that you have a good rest at night.- Three pills should ensure you have a good ...

可以。因为ensure that后可加宾语从句 保证后面是个完整的句子 且与前面有关联的话 that可以省略 就变成了 ensure sb do 句式。 ex:Three pills should ensure that you have a good rest at night. - Three pills should ensure you have a goo...

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