【文档说明】教科版英语四年级下册《Unit 9 We're Taking Photos--现在进行时总结》PPT课件(共15页).ppt，共(15)页，649.500 KB，由小喜鸽上传

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Unit9We'reTakingPhotosPresentContinuousTense现在进行时总结现在进行时主语+am/is/are+doing(动词+ing)表示某人正在做某事的时候用现在进行时。现在进行时怎么构成?什么时候用现在进行时?主语be动词行

为动词(+ing)Iam/‘mdrawingapicture.HeSheItis/‘ssleepingintheroom.YouWeTheyare/‘rewatchingafilm.这种时态的句子由两种动词组成。be-ingPresentc

ontinuoustense现在进行时直接在动词后面加ing。goinggoingdotalkwatchplayreadlookdoingtalkingwatchingplayingreadinglookingPresentcontinuoustense

现在进行时Practice去e再加ing。comeingcominghavehavingwritewritingrideridinglivelivingdrivedrivingmovemovingPresentcontinuou

stense现在进行时Practice以重读、“辅元辅”结构结尾的动词需要双写最后一个字母再加-ing。swimmingswimmingjogjoggingsitsittingdropdroppingrunrunninggetgettingputputtingPresentconti

nuoustense现在进行时Practice写出下列动词的现在分词sleepinvitechatlookwriteswimplaycomerunwaitpracticeshopstudyseevisitlielearntieingingingingingingingingingin

ginginglyingtyingtingmingningping1.直接加ing;2.去e加ing(除ee字母组合);3.双写加ing;4.改ie为y加ingbe-ingnot主语be动词行为动词(+ing)Iamdrawingapicture.notNegativesentences否定

句HeSheItissleepingintheroom.not(isn’t)YouWeTheyarewatchingafilm.not(aren’t)Questions一般疑问句将be动词放在句子开头成为一般疑问句。Yes,she

is./No,sheisn’t.Yes,theyare./No,theyaren’t.Cherryisridingabicycle.IsCherryridingabicycle?Theyarecooking.Aretheycooking?Q

uestions特殊疑问句Questionswithquestionwords:Whatareyoudoing?Whyisthebabycrying?Whenarethechildrenleav

ing?Whereareyougoing?e.g.现在分词的构成1.直接加–ingeg:looklooking2.如果动词末尾有不发音的e，则去e加-ing3.以动词闭音节结尾，且末尾只有一个辅音字母的，应双写此字母，再加–ing。eg:sitsitting口诀教你学do

ing进行时很好记，be加动词-ing；直加双写去哑e，分词构成须仔细；别说be无词义，主语和它最亲密；变疑问be提前，否定not再后添；何时要用进行时look，listen，now标志。atpresent目前；现在atthemoment此刻；现在rightnow此刻；现在now现在

Foryourtry.e.g.I__________myhomeworknow.(do)‘m/amdoing1You___________anEnglishlesson.(have)2Thelittleboy_____________.(swim)3TonyandBetty______

______inthelibrary.(read)4Theman____________astory.(write)5I____________withmysister.(run)6We____________ten

nisnow.(play)7Thecat____________somemilkrightnow.(drink)‘re/arehaving‘s/isswimming‘re/arereading‘s/iswriting‘m/amr

unning‘re/areplaying‘s/isdrinking