一，s(主词）+ v( 动词）+O（宾语）+toV(不定词）
1.表希望，期待--like want ,wish expect等。
如：
I want you to tell the truth
我要你说实话
I didn't expect her to be absent (缺席）
我不希望她缺席
2.表许可，--allow ,permit
如:
Please allow me to introduce my wife ,Rosaline
请允许我介绍一下我妻子 Rosaline
Mother didn't permit her to go to the movie alone.
妈妈不允许她独自一人去看电影
3.表思考，认为--think .believe,consider,find,recognize等。
如：
We believe him to be honest(诚实）
==We believe (that) he is honest （从句引导两个子句）
我们认为他是诚实的
I thought the idea to be practical(实际的，可实现的）
== I thought (that) the idea is pactical
我认为那想法是可实现的
4.表依赖，建议，要求，命令
（tell ,advise,order,ask,request,require,force,persuade,get,cause,teach,beg等）
如：
The doctor advised him to stop smoking(戒烟）
医生建议他戒烟
I persuaded him to go with me
我说服他和我一起去
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