非谓语动词非谓语动词是指分词(包括现在分词和过去分词)、不定式、动名词等三种形式,即: doing , done , to do , doing
当然它们有各自不同的变化形式,如: 现在分词 doing : 有 being done(被动式) ; having done (完成式); having been done (完成被动式) 不定式 to do : 有 to be done (被动式); to have done (完成式); to be doing(进行式) 动名词 doing : 有 having done(完成式); being done(被动式) ; 非谓语动词的特点: 三种非谓语动词都具有动词的特征,虽然它们没有人称和数的变化,但是它们都能带自己的状语或有时跟宾语
它们都有各自的特征:分词具有形容词和副词的特征;动名词具有名词的特征;不定式具有名词、形容词和副词的特征
具体来讲:分词在句子中可以做定语、表语、状语或补足语等;动名词在句子中可以做主语、宾语、表语等;不定式在句子中可以做主语、宾语、表语、补足语或状语
下面分别对三种非谓语动词进行讲解:一.动词不定式先看几个例句,判断不定式在句中的成分
1.To learn a foreign language is difficult
2. His wish is to be a driver
3.Tom wanted to have a cup of beer
4.The teacher told us to do morning exercises
5.I have nothing to say
6.They went to see their aunt
7.It’s easy to see their aunt
8.I don’t know what to do next