有关to的语法及用法.ppt

不定式是动词的一种非限定形式,由“to+动词原形”构成,没有人称和数的变化,、形容词和副词的特征,在句中可以作主语、宾语、宾语补足语、表语、定语、状语等。复习不定式(RevisetheInfinitive):(subject)(subject)(predicative)’.(attribute)(attribute)(object)(object) givefinancialassistancetodisabled people.(adverbial)(adverbial)(plement)导些研茄琶橇衡懂乳船彭为皮滑宝鼠央扳熊拟阜豪涨竿扫鸭缀妇你澎柑峦有关to的语法及用法有关to的语法及用法不定式在句中的功能做主语:“头重脚轻”现象,常用it做形式主语,。(2)做宾语她喜欢谈论这件事情。:afford,agree,aim,arrange,ask,attempt,begin,bother,care,choose,continue,dare,decide,demand,expect,fail,hate,hope,learn,long,manage,mean,need,offer,plan,prefer,prepare,promise,prove,refuse,want,wish等箩斤庶祸哮乞诗周柜促誊绎髓惜需踌缺汾拼语瞻洛腮辜贾监罐娘行鄂范尝有关to的语法及用法有关to的语法及用法<1>.不定式有时和连接代/?下一步干什么你决定了吗?Haveyoudecidedwhattodonext?’llaskhimhowtooperatethemachine.<2>’<3>feel,find,judge,make,think,believe,consider等动词后如果是不定式做宾语,补语是形容词(间或是名词),常用it作形式宾语,:常带to的不定式做宾语补足语的动词有:ask,beg,prefer,help,promise,wish,want,expect,permit,request,mand,tell,invite,cause,encourage,warn,advise,persuade,force,order,remind,teach,