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1、动词不定式用法举要动词不定式用法举要动词不定式用法举要一、后接不定式的动词1.后接不定式做宾语的动词 hope, agree, dare, decide, determinebegin, start, refuse, prepare,offermanage,try, aim, forget, remember ，chooseseem, pretend, learn, love, hate 等。(可记：希望同意敢决定，开始拒绝备提供，设法瞄准忘记选，似乎假装学爱憎。)2.后接不定式作宾补的动词permit, request, allow, command, tell, invite, cause
2、, encouragewarn, adivse, persuadeforce,order,remind,teach 等。(可记首字母：practice wap fort 实践攻克堡垒。)3.后接不定式既作宾语又可作宾补的动词ask, beg, like, preter, help, promise, wish, want, expect 等。（可记：请求、愿、助、诺、希望。 ）二、不定式省略 to 的现象：1.在 had better,would rather, why not,do nothing but,would ratherthan 以及情态动词后。如：Tom would rather
3、 play tennis than swim.I could do nothing but wait for you.2.在 see, hear, watch, notice, feel, observe, let, make, have 等感官动词和使役动词后接不带 to 的不定式作宾补，但当这些动词为被动时其后的不定式必须带 to.如：He saw two men enter the room.I was made to do it.三、不定式的否定式否定不定式时，否定副词 not 或 never,seldom,hardly 等要置于 to 前。如:She checked the name
4、s so as not to make mistakes.四、注意不定式复合结构的用法句中不定式需要有逻辑主语时，常用 for+名词(或代词宾语)+不定式，构成不定式的复合结构。如：It is very important for us to learn English well.但某些形容词如 kind, clever, foolish, wise, nice, generous, silly, stupid 等，是表示不定式的逻辑主语的性质或特征的，常用 of 引导不定式的逻辑主语。如：It was wise of him to do that.五、不定式的主动式与被动式：句子的主语是不定
5、式的逻辑主语，不定式用主动式。如：I need to buy a computer.句子的主语是不定式的逻辑宾语，不定式用被动式。如：The fridge needs to be repaired.六、区分不定式小品词 to 和介词 to ：1.下列 to 为不定的小品词，后接动词原形：be able to,be about to,have to,ought to,tooto,in order to,so as to,used to 等。You ought to follow your fathers advice.2.下列 to 为介词，后接名词、代词或 V-ing 形式：pay atten
6、tion to,look forward to,be/get used to(习惯于),lead to,stick to,belong to,devote oneself to 等。如：Im looking forward to seeing you again.七、不定式的位置及与所修饰词之间的关系1.不定式作定语放在被修饰词之后。如：I want to have something to read.2.不定式与被修饰词之间有逻辑上的动宾关系，所以当不定式的动词是不及物动词或不定式的动词与其所修饰的词之间构不成动宾关系时，其后需加一个适当的介词。如：I need a pen to write
7、 with.八、疑问词 how,when,what,where,which 以及 whether 与不定式连用，在句中作主语、表语或宾语，其功能相当于名词性从句。如： Where to go has not been decided yet.（Where we shall go has not been decided yet.）九、有些动词(stop,forget,remember,regret,like 等)后接不定式或动名词时，意思差别很大。如：I must remember to post the letter.我必须记着要发信。(信还未寄出)I remember posting the letter.我记得发了信了。(信已寄出) I like swimming.(喜欢游泳这项运动)I like to swim this Friday.(喜欢在星期五去游泳这一具体动作)
