文档介绍：1. to do 2.-ing 非谓语不定式( to do ) V- ing V-ed as a noun as adj. or adv. 现在分词动名词过去分词非谓语动词的分类使用条件使用条件一个句子一个句子当中,已经存在一个当中,已经存在一个主主句句(谓语(谓语动词) 动词) , ,又没有连词又没有连词的情的情况下况下, , 还有别的动词出现时还有别的动词出现时, ,这些这些动词就充当了动词就充当了非谓语动词非谓语动词. . 非谓语动词的非谓语动词的 1. Smoking is bad for health. 2. His hobby is swimming. 3. I heard the girl singing in the classroom. 4. The man talking with my father is Mr. Wang. 5. He decided to try again. 找出下列句子中的非谓语动词(含短语) is is heard is decided 非谓语动词的句法作用非谓语动词主语宾语表语定语宾补状语不定式√√√√√√动名词√√√√现在分词√√√√过去分词√√√√非谓语动词的句法口诀?不定式本领强,六种成分都能当。?动名词不示弱,主宾表定用的上。?两分词互不让,表定状补争亮相。主语宾语表语定语状语补语不定式 # # # # # # 动名词 # # # # 分词 # # # #一、考查非谓语动词作主语能作主语的非谓语动词有不定式和动名词。二者的区别是:表示某一具体的动作时,多用不定式;表示比较抽象的一般行为倾向的,多用动名词。动名词作主语时通常位于句首;不定式作主语时常置于句末,用 it 作形式主语放在句首。 1) Smoking is prohibited( 禁止)here. 2) It is not very good for you to smoke so much. 3) Collecting information is very important to business men. 4) Driving a car during the rush hour is tiring. (抽象)(具体) ? It+ be +名词/形容词+ to do ? It+ be +形容词 for sb /of sb + to do ? It takes/took sb +时间+to do It is necessary ____________(spend) enough time on English if you want to learn it well. to spend 1). To make a plan first is a good idea. = It is a good idea to make a plan first. 2). It takes three hours to walk there . It is possible for him to master the art of speaking . It was careless of him to break the coffee cup. = He was careless to break the coffee cup. 2. 动名词或不定式都可以在句中作主语,但在下列句型中常用动名词作主语。 It is/was no use/good not any use/good of little use/good useless +doing sth . It is no use crying over spilt milk. It is of little good staying up too late every day. 若主语和表语都是非谓语动词, 应保持形式上的一致。 Seeing is believing. To see is to believe.