初中英语语法--现在进行时

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ThePresentContinuousTenseUseandformWhatisshedoing?•Sheisreadingabook.Whatisshedoing?•Sheiscrying.What’shedoing?•He’swatchingTV.Where’shegoing?•He’sgoingtoschool.Andwhatareyoudoingrightnow?•WearestudyingEnglishgrammar.Use1•Thepreviousexamplesshowthatweusethistensetodenoteanactionhappeningatthetimeofspeaking(adverbs:now,rightnow,atthemoment)Whataretheywearingtoday?•TheyarewearingT-shirtsandminiskirtstoday.I’dlovetoseeyou.Areyoubusy?•Unfortunately,I’mratherbusy.I’mpaintingmyflatthisweek.Areyouhavingfunthissummer?•Notreally.I’mworkingasawaiter.Ineedsomemoneyforcollege.Use2•TheseexamplesshowthatthePresentContinuousTenseisalsousedtodenoteatemporaryactionhappeningtodayorthesedays.What’swrongwithourplanet?•It’sgettingwarmer.What’wrongwiththeairwebreathe?•It’sbecomingmoreandmorepolluted.Use3•Itisalsousedtoexpresstheongoingchanges,especiallywithverbssuchasbecome,get,grow,change,andwithexpressionslikemoreandmore.•AreyougoingtothepartyonFriday?•We’releavingtomorrow.Use4•Weuseitforfuturearrangementswithatimereference.Form–am,are,is+ingform•AffirmativeIamsleeping.He/she/itissleeping.You/we/theyaresleeping.•NegativeIamnot(I’mnot)singing.He/she/itisnot(isn’t)singing.You/we/theyarenot(aren’t)singing.am,is,are+ingformForm-continued•InterrogativeAmIdreaming?Ishe/she/itdreaming?Areyou/we/theydreaming?•ShortanswersYes,Iam/heis/weare…No,I’mnot/heisn’t/wearen’t…ingform–spellingrules•Mostverbsjusttake–ingwithnochangesinspelling:watch-watching,clean-cleaning,listen-listening•Verbsendingin–edropitbefore–ing:live-living,write-writing•Verbswithshortvowelsandoneconsonantdoubletheconsonant:run-running,swim-swimmingingform–spellingrules•Verbsendingin–l,doubleit:travel-travelling,cancel-cancelling•Verbsendingin–iechangeitto–y:lie-lying,die-dying

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