relax的过去式

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动词的现在分词

１.一般直接在动词词尾加－ing

Sing-singinggo-goingpick-pickingread-reading

walk-walking

Fly-flyingeat-eatingcook-cookingbuy-buying

wait-waiting

Play-playingsleep-sleepingvisit-visiting

２.以不发音字母e结尾的动词，去掉e，再加－ing

Leave-leavingtake-takingarrive-arrivingdance-dancing

write-writing

Give-givingbite-biting

３.以一个辅音字母结尾的重读闭音节词，且它的前面是一个短元音，一般先双写最后一个

辅音字母，再加ing

Sit-sittingput-puttingget-gettingshop-shoppingswim-swimming

Run-runningstop-stoppingdig-digging

动词的过去式

１.一般直接在动词词尾加ed

Watch---watchedwash----washedclean--cleaned

play—--played

visit----visitedlisten—listenedwalk----walked

jump----jumped

return----returnedplant---plantedvisit－visitedwalk---walked

pick---pickedhelp---helpedrelax---relaxedcook---cooked

ask---askedclimb---climbedlook---lookedenjoy---enjoyed

row----rowedanswer---answeredwater---wateredwant---wanted

cross---crosdshout---shoutedfail---failed

２.以不发音字母e结尾的动词直接加d,

prepare---prepareddance---dancedhope-hoped

３.以辅音字母y结尾的动词，变y为i,再加ed,

Cry-criedstudy---studied

４.以一个辅音字母结尾的重读闭音节词，双写最后一个字母，再加ed,

Stop-stopped

５.不规则变形：

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read-----readlearn---learned/learntsing---sangtake---tookeat---ate

buy---bought

(一)不变的

cut----cutlet----letput---putread---readmust----must（二）改成a

e----camebee----becamebegin---begandrink---drankhave---hadrun----ransit--

---satring---rangsing----sangswim---swamgive-----gave

（三）改成ght

Think---thoughtfight---foughtbring----brought

buy----boughtcatch-----caughtteach-----taught

（四）改成t

Keep----keptsleep----sleptsweep----sweptfeel---felt

Spend---spentlearn---learntmean-----meant

（五）改成ew

Blow---blewknow---knewgrow--grewdraw---drew

throw---threwfly---flew

（六）改成o

Get---gotforget---forgotwrite----wroteride----rodeDrive----drovell---soldtell

----toldstand---stood

understand---understoodspeak---spokehear---heard

take----took

(七)其他形式

make---madehear---heardeat---atemean----meant

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say----saidfind----foundmeet----mete----saw

can---couldshall---shouldwill---wouldmay---might

go----wente----sawwear-----woredo---did

is---wasam---wasare---werego---went