UNIT 1 The Changing World TOPIC 3 The world has changed for the better Section B--現(xiàn)在進(jìn)行時(shí)

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1、UNIT1TheChangingWorldTOPIC3TheworldhaschangedforthebetterSectionB--現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)主語+am/is/are+doing(動(dòng)詞+ing)表示某人正在做某事的時(shí)候用現(xiàn)在進(jìn)行時(shí)?，F(xiàn)在進(jìn)行時(shí)怎么構(gòu)成?什么時(shí)候用現(xiàn)在進(jìn)行時(shí)?主語be動(dòng)詞行為動(dòng)詞(+ing)Iam/‘mdrawingapicture.HeSheItis/‘ssleepingintheroom.YouWeTheyare/‘rewatchingafilm.?這種時(shí)態(tài)的句子由兩種動(dòng)詞組成

2、。be-ingPresentcontinuoustense現(xiàn)在進(jìn)行時(shí)?直接在動(dòng)詞后面加ing。goinggoingdotalkwatchplayreadlookdoingtalkingwatchingplayingreadinglookingPresentcontinuoustense現(xiàn)在進(jìn)行時(shí)Practice?去e再加ing。comeingcominghavehavingwritewritingrideridinglivelivingdrivedrivingmovemovingPresentcontinu

3、oustense現(xiàn)在進(jìn)行時(shí)Practice?以重讀、“輔元輔”結(jié)構(gòu)結(jié)尾的動(dòng)詞需要雙寫最后一個(gè)字母再加-ing。swimmingswimmingjogjoggingsitsittingdropdroppingrunrunninggetgettingputputtingPresentcontinuoustense現(xiàn)在進(jìn)行時(shí)Practice寫出下列動(dòng)詞的現(xiàn)在分詞sleepinvitechatlookwriteswimplaycomerunwaitpracticeshopstudyseevisitlielearnt

4、ieinginginginginginginginginginginginglyingtyingtingmingningping1.直接加ing;2.去e加ing(除ee字母組合);3.雙寫加ing;4.改ie為y加ingbe-ingnot主語be動(dòng)詞行為動(dòng)詞(+ing)Iamdrawingapicture.notNegativesentences否定句HeSheItissleepingintheroom.not(isn’t)YouWeTheyarewatchingafilm.not(aren’t)Ques

5、tions一般疑問句?將be動(dòng)詞放在句子開頭成為一般疑問句。Yes,sheis./No,sheisn’t.Yes,theyare./No,theyaren’t.Cherryisridingabicycle.IsCherryridingabicycle?Theyarecooking.Aretheycooking?Questions特殊疑問句?Questionswithquestionwords:?Whatareyoudoing??Whyisthebabycrying??Whenarethechildrenle

6、aving??Whereareyougoing?e.g.現(xiàn)在分詞的構(gòu)成1.直接加–ingeg:looklooking2.如果動(dòng)詞末尾有不發(fā)音的e，則去e加-ing3.以動(dòng)詞閉音節(jié)結(jié)尾，且末尾只有一個(gè)輔音字母的，應(yīng)雙寫此字母，再加–ing。eg:sitsitting口訣教你學(xué)doing進(jìn)行時(shí)很好記，be加動(dòng)詞-ing；直加雙寫去啞e，分詞構(gòu)成須仔細(xì)；別說be無詞義，主語和它最親密；變疑問be提前，否定not再后添；何時(shí)要用進(jìn)行時(shí)look，listen，now標(biāo)志。atpresent目前；現(xiàn)在atthemome

7、nt此刻；現(xiàn)在rightnow此刻；現(xiàn)在now現(xiàn)在與現(xiàn)在進(jìn)行時(shí)連用的時(shí)間狀語Sheisreadingabookaboutherhero.Sheiswritingastoryaboutherhero.Thankyou~~