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prEvEnt sB. (From) Doing sth (From可省略) 等...

protect sb from doing sth这里的from不能省略。 protect...from…是表示保护。。。不受伤害。from后接能带来伤害或损害之物。 所以是: Protect sb/sth from sth/doing sth 例句: You had better wear sunglasses to protect your eyes from th...

stop sb. from doing sth

From是可以省略的。 prevent及物动词,意为“防止,预防”,后接名词、代词等作宾语。常用prevent sb (from) doing sth“防止某人做某事”句式。这里的from是可以省略的。 例如: Doctors and nurses will help us preventdiseases. 医生和护士将会...

prevent sb (from) doing sth“防止某人做某事”表示“阻止做某事”,固定搭配。可用prevent sb/sb's v -ing,也可用prevent sb from v -ing,这几种用法在意义上没有明显的区别。prevent sb from doing sth在主动语态中from可以省略,被动语态中不行。...

prevent sb from doing的from可以省略。prevent...from意义是:阻止某人做某事。prevent sb from doing sth在主动语态中from可以省略,被动语态中from不可以省略。例如: 1、We must prevent the water( from )being polluted. 2、He was prev...

可以.但keep sb from doing sth 中的from不可以省略. stop / prevent sb (from) doing sth.可以省略而不改变意思 keep sb doing-------让某人一直--- --- keep sb from doing - - - 阻止某人- - -- -

prevent sb from doing的from在主动语态中from可以省略,被动语态中不能省略。 prevent sb from doing意思是:阻止某人做某事或阻止某事的发生。from后面的动词与from前面的词构成动宾关系时,后面用动名词的被动形式。 1. Nothing could preven...

可以

区别是: prevent sb (from) doing sth 其中from是可要可不要的。即prevent sb doing sth和prevent sb from doing sth都是正确的。但是prevent sb to do sth是错误的,没有这种表达。 例句: Why they always prevent me from being together wi...

因为 stop sb. (from) doing sth 和 prevent sb (from) doing sth 省掉了from 不会影响语义,而 keep sb. from doing sth 省掉from后,意思正好相反: I kept him working on his homework —— 我一直让他做作业 I kept him from working on his ...

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