动名词的用法分析.ppt

动名词的定义 V-ing形式的构成方式： 为了便于记忆，特归纳如下： Module Two 语法点的讲练 动名词 Grammar 它是一种兼有动词和名词特征的非谓语动词形式。基本形式为:v-ing, 动名词具有名词的性质，因此在句中可以做主语、表语、宾语、定语等。动名词有时态和语态的变化。 动名词的时态和语态的基本形式：（以write为例） having been written being written 被动语态 having written writing 主动语态 完成式 一般式 时态 语态 注意：动名词的否定形式是： not doing/ not having done You will be punished for not finishing your homework on time. 1.在一般情况下，在动词原形后直接加词尾 –ing。 eg. go – going; do – doing; ask – asking; read --- reading  study – studying; carry – carrying; fly – flying; worry – worrying; 2.在以不发音的e 结尾的动词后，去掉e，再加- ing。 eg. come – coming live – living dance – dancing make – making 3.在闭音节的单音节动词后、以重读闭音节结尾的多音节动词，而末尾只有一个辅音字母时，将这个辅音字母双写（x除外），然后再加 –ing. sit – sitting; run – running; begin – beginning; forget – forgetting 4.在少数几个以 –ie 结尾的动词后：须将–ie 变作y，再加- ing。(这些动词词典一般均注明) eg. die – dying; tie – tying lie – lying 性质 主语 表语 宾语 宾补 定语 状语 动名词 n. pron. 动名词能在句中充当什么成分？ 动名词的基本用法 １．用作主语 　所表动作比较抽象，或者泛指习惯性的动作。 　Playing with fire is dangerous. Climbing mountains is really fun. 注意：动名词做主语，有时先用it作形式主语，把动名词置于句末。这种用法在习惯句型中常用。 1)It is no use/ good / useless /worthwhile/dangerous+ doing… 2)It is a waste of time + doing … 3)It is fun+ doing … 4) There is no sense in doing 做……没有道理 5)There is/was no use doing 干……无意义 6)There is/was nothing worse than doing 没有比……更糟的 7)There is/was no point doing 干……无意义 Eg. 1. It’s no use crying over spilt milk.(覆水难收） 2.It is fun playing with children. 和孩子们一起玩真好。 3.It is no good learning without practice 学而不实践是没好处的。4.It is dangerous using this method to measure the speed of light . 用这种方法去测量光速是危险的。5.It is worthwhile consulting your tutor about it again .很值得再向你的指导老师咨询一下这个问题。6.There is no joking about such matters .这种事开不得玩笑。7.There is no denying the fact that China has made a rapid progress in every aspect since it was founded .不容抵赖这个事实，中国自它成立以来已在各个方面都取得了飞速的发展。8.There is no littering about . 不许乱扔杂物。 9. 标志语中常常用到动名词的惯用语。 No smoking. 禁止吸烟No parking