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1、动词ing形式的用法及变化规则一.动词ing形式的用法1正在进行时中,谓语动词后加ing.如:lm playing football.2一些特殊表达如：be good at doi ng sthenjoy doing sth.be busy doingfeel like doingtha nk you for doingdo some cook in g/clea nin g/read in g/shopp in g/wash inggo swimmi ng/fishi ng/shoppi ng/skati ng/boati ng二.动词现在分词由动词原形在词尾加ing构成，其规则如下:1)
2、一般情况下直接加 ingthink-thinkingsleep-sleepingstudy-study ingspeak-speak ingcarry-carryi ng say-say ing2）以不发音的字母e结尾的单词，去掉字母e,再加ingwake-wak ingmake-mak ingcome-co mingtake-tak ingleave-leav inghave-hav ing3）以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字 母，再加 ing。初中学过的这类词有：begin, cut, get, hit, run, set, sit, spit, stop
3、, swim, beg, drop, fit, nod, dig, forget, regret, rid,等。（visit 不是以重读闭音节 结尾，不用双写）travel虽然重读第一音节，词尾音节不重读，但是现在分词仍要双写末尾辅音 字母，然后再加ing，如:travel-travelling初中阶段此类词只有这一个。4）以y结尾的动词直接加ingcarrycarry ing enjoyenjoying 5）以ie结尾的动词，把ie改为y，再加 ingdie-dy inglie-lyi ng要特别注意有些动词没有进行时态.1、表示状态、思想、感情和感觉的动词，女如see, hear, lov
4、e, know, want, hope, think等，没有进行时态。2、当have/has作为“拥有”时，没有进行时态，但表示“开会，吃饭，玩得高兴等意思时，可以用进行时表达。I am having many books.（这是错误的句子）I am having a good ti me.（这才是正确的 句子）一.写出下列动词的现在分词形式work visit playstudy dance havetravel take dropsing shopswimlie二选择题练习1. Whoover t here now?A. singingB.c are singC. is singingD.
5、 sing2. Its eightoclock. Thestudentsan English class.A. haveB.havingC. is havingD. arehaving3. Listen! Thebabyinthe next room.A. cryingB.criedC. is cryingD. cries4. Look! The twinsnewswea ters.A. are wearing B. wearingC. are wearD. iswearing5. Dont talk here. Grandparents.A. is sleepingB. are sleepi
6、ng C. sleepingD.sleep三.填空:1. Miss Li(like) sleeping in the day.2. Lis ten! Who(t alk) with your pare nts3. The girl ( not dance ) on Wednesday. She dances on Friday.4. He wants(be) a t eacher.5. Everyone(say) she is a good shop assis tant.6. Can she(sing) in English7. They like(read) under the t ree
7、. Look! They(si t)there to read.8. Lets(ea t) lunch toget her( 一起).9. Look! A cat(run) up the t ree.10. Its 6:30. My bro ther(see) a movie.11. Sam(go) to school at 7:00 every day.12. Peggy is (clean) the bedroom now. She is a good girl.13. WhereMr. Green(live)Hein London.14. you(clean) your bedroomNo, Im not. Im cleaning the living room.15. Nancy(t alk) on the phoneNo, she isn t. She(ea t) lunch now.
