d ）在 encourage, permit, allow, recommend, advise, authorise 等动词之后，一般用动名词作宾语，或者用不定式作宾语补足语。即：
    encourage/permit/allow/recommend/advise/
authorise+doing,encourage/permit/allow/recommend/
advise/authorise+somebody+to do
     例如：
    He advised going out for a walk.
    He advised us to go out for a walk.
    e ）在 agree, decide 等动词之后，可以直接跟不定式结构， 但如果跟动名词，则动词后必须加适当的介词。例如：
    In the end the manager decided to double the advertising budget.
    =In the end the manager decided on doubling the advertising budget.
    f ）在 need, want, require, deserve 等动词之后，可以用 动名词的主动形式表示被动 意义，这相当于不定式的被动形式。例如：
    The house needs repairing.
    =The house needs to be erpaired.
    The disabled deserve respecting.
    =The disabled decerve to be respected.
    2 ）带动名词作宾语与带不定式作宾语而意义不同的动词
    a ）动词 remember, forget 后可以跟不定式或动名词，但意义有明显区别：跟动名词，其动作发生在 “ 记得 ” 或 “ 忘记 ” 的动作之前；跟不定式，其动作发生在 “ 记得 ” 或 “ 忘记 ” 的动作之后。试比较：
    I remember posting this letter. 我记得这封信已寄出了。
    I remember to post this letter in the afternoon. 我记得下午要将这封信寄走。
    b ）动词 regret 后可以跟不定式或动名词，但意义有明显区别：
    regret doing: 为做过的事感到抱歉
    regret to do ：为即将要做的事感到抱歉
     试比较：     I regret to say that I can not go with you after school.
    I regret having criticised you seriously in class.
    c ）动词 try, mean, cannot help, used to 后跟不定式还是动名词，取决于这些词本身的含义。例如：
    You should try to answer the questions by yourself.(Try to d 试着做某事 )
    We try using this new method.(Try doing ：试着做某事 )
    I meant to go to the exhibition but I forgot(mean to do ：打算做某事 )
    Success means working very hard.(mean doing: 意味着做某事 )
    I can't help apologizing.(cannot help doing: 忍不住做某事 )
    I can't help to apologize for him.(cannot help to d 不能帮助做某事 )
    Mr.Smith used to jog in the morning, but now he has stopped.(used to d 过去经常或总是干某事 )
    Inland canals are used to ship farm and factory goods to nearby towns.(be used to d 被用来干某事 )
    I am not used to getting up early in the morning.(be/get used to doing: 惯于干某事 )
    d ）动词 stop, continue, go on, leave off 之后，通常用动名词结构作宾语，如果用不定式结构，则不是宾语而是目的状语，相当于 in order to 。试比较：
    They stopped working 。他们停止工作（来做其他事）。
    They stopped to work 。他们停止（帮其他事）来工作。
    The students went on reciting the text. 学生们继续背诵课文。
    The students went on to recite the text. 学生们停下其他事，继续背诵课文。
    She left off doing the housework. 她停止做家务（去干其他事）。
    She left off to do the housework. 她停止（干其他事）来做家务。

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