|
非谓语动词 1．定义：动词除在句子中作谓语以外，还具有名词、形容词及副词的性质，在句中可作主语、表语、宾语、定语、状语和补语等，这就是动词的非谓语动词。可分为三种：动词不定式、分词和动名词。 2．动词不定式：to ＋ 动词原形。 ○1 一般式：主动语态：to do , 被动语态：to be + 动词过去分词 (表示动作或状态与谓语动词的动作或状态同时发生或之后发生) ○2 进行式：主动语态：to be doing , 被动语态：无 (表示动作或状态与谓语动词的动作或状态同时发生) ○3 完成式：主动语态：to have +动词过去分词，被动语态：to have been +动词过去分词 (表示动作或状态在谓语动作之前就发生) ○4 用法： A． 作主语：To learn a foreign language is not easy . = Its not easy to learn a foreign language . B． 作表语：The most important thing is to finish the work on time . C． 作宾语： a. 动词＋to do . He decided to buy a new watch . (agree, choose, want, hope, like, wish, learn, love, plan, try, start, afford ) b. 动词＋疑问词＋to do I dont know where to put the bike . c. 动词＋形式宾语(it)＋宾补＋to do I find it important to learn a second foreign language . | 
