动词的各种形式变化规则.ppt

,第三人称单数一般现在时动词变化规则：1.原形动词词尾为“ch，sh，o，s，x”，加“-es”：teach（教）teacheswash（洗）washesgo（去）goeskiss（吻）kissespass（传递）passesfix（安装）fixes2.原形动词词尾为“辅音字母+y”时，去“y”后加“-ies”，若是“元音字母+y”，只加“-s”：study（学习）studiesfly（飞）fliesplay（游戏）playsstay（停留）stayssay（说）says3.其他动词直接加s：help（帮助）helpscome（来）comescut（切）cuts,动词的现在分词变化规则1.原形动词词尾为“-e”时，去“-e”后+“-ing”。liveliving（住）makemaking（制造）2.原形动词词尾为“-ie”时，先把“-ie”改为“-y”后+“-ing”。lielying（卧，躺）diedying（死）tie（捆，绑）tying3.原形动词词尾为“元音+l，r”并为重读音节时，常重复词尾后再加“-ing”。compelcompelling（强迫）travel(旅行)travellingpreferpreferring（宁可要）refer（指）referring,4.原形动词以“辅元辅”结尾，先双写最后一个辅音字母后再+“-ing”（字母组合除外）。planplanning（计划）kidkidding（开玩笑）getgetting（得到）stopstopping（停止）putputting（放置）shutshutting（关闭）beginbeginning（开始）show,grow,draw,blow,know,flow等5.其他动词直接加-ing。speakspeaking（说）studystudying（学习）gogoing（去）show（展示）showingclimb（爬，攀）climbing,规则动词的过去式和过去分词,1.原形动词词尾为“e”时，加“-d”。livelived（住）likeliked（喜欢）,2.原形动词词尾为“辅音字母+y”时，去“-y”后加“-ied”，若是词尾为“元音字母+y”，只加“-ed”。studystudied（学习）playplayed（游戏）,3.原形动词词尾为“元音+l，r”并为重读音节时，常双写词尾后再加“-ed”。compelcompelled（强迫）preferpreferred（更喜欢）,4.原形动词以“辅元辅”结尾，先双写最后一个辅音字母后再+“ed”。chatchatted（闲谈）kidkidded（开玩笑）begbegged（恳求）stopstopped（停止）budbudded（萌芽）,5.其他的动词直接加ed。showshowed（展示）matchmatched（匹配）guessguessed（猜）washwashed（洗）,一、写出下列动词的第三人称单数形式。sit_swim_go_make_do_run_write_cry_study_watch_wash_say_play_二、用dodoes填空1、_yourideabikeafterschool?Yes,I_.2、_yoursisterlikePE?No,she_not.What_thestudentshave?Theyhavesomepens.How_Lindagotoschool?Shegoestoschoolonfoot.He_notspeakEnglish.HespeaksChinese._theywatchTVonSundays?Yes,they_.Myfatherandmother_notreadnewspapersonSaturday.,三、用一般现在时填空。What_he_(have)?He_(have)atoyplane.Mymother_not_(like)English.She_(like)Chinese._you_(go)toschoolbybus?No,I_(go)toschoolbycar.MissWang_(swim)everyday.I_(like)English.Tom_(notlike)English.Themoon_(go)aroundtheearth.When_you_(go)toschool?I_(go)toschoolatfiveeveryday.,不规则动词过去式和过去分词分类记忆法,I.A-B-B型,3.build-built-builtsend-sent-sentspend-spent-spentlend-lent-lent,1.bring-brought-broughtbuy-bought-boughtfight-fought-foughtthink-thought-thought,4.catch-caught-caughtteach-taught-taught,2.burn-burnt-burntmean-meant-meant（音变）dream-dreamed/dreamt-dreamed/dreamtlearn-learned/learnt-learned/learntsmell-smelled/smelt-smelled/smelt,7.get-got-gothold-held-heldhave/has-had-hadhear-heard-heardlose-lost-lostmake-made-madeshine-shone/shined-shone/shinedsit-sat-satstand-stood-stoodunderstand-understood-understoodwin-won-wonfind-found-found,5.feel-felt-feltleave-left-leftmeet-met-metlead-led-ledkeep-kept-keptsleep-slept-sleptsweep-swept-swept,6.sell-sold-soldtell-told-toldpay-paid-paidsay-said-said(音变),2.A-A-A型,bet-bet-bet,cost-cost-cost,cut-cut-cut,hurt-hurt-hurt,let-let-let,put-put-put,read-read-read(音变),set-set-set,spread-spread-spread(传播),3.A-B-C型,begin-began-begundrink-drank-drunkring-rang-rungsing-sang-sungswim-swam-swum,2.draw-drew-drawnfly-flew-flowngrow-grew-grownknow-knew-knownthrow-threw-thrown,3.bite-bit-bittenhide-hid-hiddenforget-forgot-forgottenbreak-broke-brokenchoose-chose-chosensteal-stole-stolenwake-woke/waked-woken/waked,give-gave-givenshake-shook-shakenfall-fell-fallensee-saw-seentake-took-takenrise-rose-ris