现在进行时讲解.doc

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1、精品文档，仅供学习与交流，如有侵权请联系网站删除讲解现在进行时的语法结构1、谓语构成：be (am/ is/ are)v-ing （动词的现在分词）【注意】be动词要与主语的人称和数保持一致。如： Im watching TV now. 我现在正在看电视。 Theyre playing football. 他们正在踢足球。2、 现在分词的构成。（1）一般情况下在动词词尾加ing。 gogoing ask （问，询问）asking looklooking（2）以不发音的e结尾的动词，去掉e加ing。 have having taketaking make（做，制造）making write（写）

2、writing（3）以一个辅音字母结尾的重读闭音节，双写最后一个字母，再加-ing。 getgetting sit（坐）sitting put（放）putting run（跑）running swimswimming begin（开始）beginning shopshopping(4) 特殊形式 lie-lying die-dying五、完成下列句子的否定句和一般疑问句的转换He is running. 他正在跑。 The students are cleaning the room now .We are sitting in the living room.六、习题1. Look! The

3、re _(be) a lot of people over there. What _they _ (do) now?2. What _ your mother _ (do)? She is a teacher.3. It _ (rain) heavily outside now. You must stay at home.4. Dont sing. The baby _(sleep).5. My brother _ (not like) playing basketball, but he _ (like) playing football.6. What _ you usually _ (do) on Sunday? I usually _ (stay) at home and _ (do) my homework.7. Listen! The girls _ (sing) in the next room.8. My sister _ (want) to be a teacher.9. Its seven oclock now. The Greens _ (have) supper. 10. He often _ (swim) on Sundays. Look! He _ (swim) at the pool.【精品文档】第 1 页