动词的现在分词 过去分词 课件高考英语复习.ppt
分词的变化规则:,动词现在分词的变化规则:,PART 01,V-ing,generally,在动词末尾直接加ing,当然事情没有那么简单,1. 以不发音字母e结尾的动词,先去掉e, 再加ing,判断以下哪些单词的结尾字母e不发音,freefleeagreetoedyedanceridewriteexercise,danceridewriteexercise,dancing,riding,writing,exercising,练一练,2. 元音字母ee,oe结尾的动词,直接加ing,freefleeagreetoedye,freeing,fleeing,agreeing,toeing,dyeing,练一练,3. 元音字母ie,ue结尾的动词,die-dyinglie-lyingtie-tying,glue-gluingblue-bluing,ie 结尾的动词,先变ie为y再加ing,ue 结尾的动词,先变去e再加ing,练一练,4. 以重读闭音节结尾的动词=呈现“辅,元,辅”结构的动词(w, y除外),应双写末尾的辅音字母,再加ing,判断以下哪些是闭音节词?,maketakeputsitcomeeat prefer,putsit,prefer,making,taking,putting,sitting,coming,eating,preferring,练一练,填一填,1. The boy _ ( draw)a picture now.2. Listen .Some girls _ ( sing)in the classroom .3. My mother _ ( cook )some nice food now.4. What _ you _ ( do ) now?5. Look! They _( have) an English lesson .6. They _(not ,water) the flowers now.7. Look! the girls _(dance )in the classroom .8. What is our granddaughter doing? She _(listen ) to music.9. Its 5 oclock now. We _(have)supper now10._Helen_(wash )clothes? Yes, she is .,is drawing,are singing,is cooking,are,doing,are having,arent watering,are dancing,is listening,are having,Is,washing,过去分词变化及发音规则,Part 2,规则动词过去式的读音也有规律可循。请记住:清后t,元浊d,td之后读id。,(1)清辅音:p、t、k、f、s、t、ts、tr、h,合计11个。 (2)浊辅音:b、d、g、v、z、d、dz、dr、/r/ 、nl、y(3)元音:a e i o u,试一试,读一读,1、一般情况下,动词词尾加 -ed,2、以不发音的 -e 结尾动词,动词词尾加 -d,,seefleehopelivemovetaste,hopelivemovetaste,hoped,lived,moved,tasted,3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,study-studied copy-copied cry-cried carry-carried,4、以一个辅音字母结尾的重读闭音节动词=辅+元+辅,(w,y除外)双写词尾辅音字母,再加 -ed,plan-plannedstop-stoppeddrop-droppedfit-fittedprefer-preferredjump-jumpeddress-dressed,plan-plannedstop-stoppeddrop-droppedfit-fittedprefer-preferred,5. 其他不规则动词的过去式变化规律性不强多加读记,规律?,一、AAA型(原形原形原形),read cutlet putcost hitset hurt,cast,bet,列队上船,ABA,ABB,ABC,1.bring-brought-brought2. get-got-got3. sit-sat-sat4. catch-caught-caught5. lie-lied-lied 说谎6. become-became-become成为7. stand-stood-stood8. send-sent-sent9. lend-lent-lent10. smell-smelt-smelt11. feel-felt-felt12. sleep-slept-slept13. drink-drank-drunk14. see-saw-seen15. hide-hid-hidden16. beat-beat-beaten,AAB,分析,1.aw/ow ew a/own 2. ia u3. 原形过去式过去式+(e)n4. 原形过去式原形+(e)n,blow-blew-blown吹draw-drew-drawn画,begin-began-begun开始,forget-forgot-forgotten忘记,eat-ate-eaten吃,5. 变其中一个元音字母6. eelelt eepept 7. end ent,feed-fed-fed喂,sweep-swept-swept扫smell-smelt-smelt 闻;发出气味retell-retold-retold复述,lendlentlent借贷,请在此输入您的标题,请在此输入您的标题,三、ABB型(原形过去式过去式),1. 过去式和过去分词中含有ought, aught, 读音是 :tbright-brought-brought think-thought-thought catch-caught-caught teach - taught -taught,2. 动词原形中的e为o,ell为old变成过去式和过去分词。get-got-got sell-sold-sold,tell-told-told,buy-bought-bought,