文档介绍：非谓语动词是高中三年乃至以后的英语学****中都非常重要的内容,在高中阶段性考试和重要考试中占较大分值的比重。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) ; having been done (完成被动式) 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。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、定语等;不定式在句子中可以做主语、宾语、表语、定语、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 .作主语 2. His wish is to be a driver .作表语 3. Tom wanted to have a cup of beer .作宾语 4. The teacher told us to do morning exercises .作宾语补足语 have nothing to say .作定语 6. They went to see their aunt .目的状语 7. It’s easy to see their aunt. 作真正主语, it做形式主语 don ’t know what to do next .带有连接代词的动词不定式作宾语 heard them make a noise .不带 to的动词不定式作宾语补足语掌握动词不定式应注意的几个问题: 1.“ to”是不定式符号还是介词,下列短语中的 to都是介词。 agree to object to close to, come to, lead to, refer to, equal to, familiar to, point to, thank to, devote to, next to, belong to, be used to, look forward to to还是不带 to I have no choice but to give in I cannot do anything but give in I saw him enter the classroom .但是: He was seen to enter the classroom .(被动语态中必须还原 to) for 作为标记的。但是有时用 of. It’s necessary for you to study hard 。表物的特征 It’s foolish of him to do : want , hope , wish , like , begin , try , need , forget , agree , know , promise , teach , refuse , help , arrange , dare , decide , determine , fail , manage , offer , prepare , continue , ask , mean , choose , expect etc. 需要宾语补足语的动词不能用动词不定式直接做介词的宾语,而要用 it做形式宾语。例如:通常不说 We think to obey the laws is important .而说 We think it important to obey the laws .。下列短语中,如果意义明确常常省略到 to。 want to, wish to ,hope to, like to, hate to, plan to, try to, love to, have to, ought to, need to, used to, be able to ,应注意两种关系: 1)动宾关系: He has a lot of meeting to atte