… want/ask sb. to do …

结构︰

主语＋want／ask／tell 等＋受词＋to-不定词

说明︰

<不定词>放在<受词>的后面，用于补充说明<受词>的动作，叫做“<受词补语>”；当<不定词>要表达“不要做某事”的意思时，则须采用<不定词>的<否定式>，即直接在<不定词>前加 not。常用的此类<动词>有 want，get，compel，expect，ask，would like，advise，urge，wish，tell，allow，permit，trouble，help，teach 等。

I told him not to goof around.
我叫他不要游手好闲。
The teacher urged his students to prepare for the exam.
老师劝他的学生准备考试。
They forced me to do things against my will.
他们强迫我做违背我心意的事。
Do you want me to go there instead of you?
要不要我代你到那儿去？
I got him to do it.
我叫他做这事。
Their help enabled me to finish the work with ease.
他们帮助我，使我能够顺利地完成工作。
A sense of humor enabled him to get along well with others.
幽默感使他能与人相处愉快。
The heavy workload forced me to cancel the camping trip.
繁重的工作量迫使我取消去露营。
The father allowed (=permitted) his son to travel abroad alone.
父亲答应让他的儿子单独出国旅行。
We troubled him to turn on the light.
我们麻烦他打开电灯。
We needed someone to fix the tape recorder.
我们需要有人来修理录音机。