英语人教版九年级全册Unit 13 We’re trying to save.ppt

《英语人教版九年级全册Unit 13 We’re trying to save.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit13We’retryingtosavetheearth!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-ingPresentcontinuoustense现在进行时直接在动词后

2、面加ing。goinggoingdotalkwatchplayreadlookdoingtalkingwatchingplayingreadinglookingPresentcontinuoustense现在进行时Practice去e再加ing。comeingcominghavehavingwritewritingrideridinglivelivingdrivedrivingmovemovingPresentcontinuoustense现在进行时Practice以重读、“辅元辅”结构结尾的动词需要双写

3、最后一个字母再加-ing。swimmingswimmingjogjoggingsitsittingdropdroppingrunrunninggetgettingputputtingPresentcontinuoustense现在进行时Practice写出下列动词的现在分词sleepinvitechatlookwriteswimplaycomerunwaitpracticeshopstudyseevisitlielearntieingingingingingingingingingingingingyingy

4、ingtingmingningping1.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ing训练集中营写出下列动词的分词形式talk________sleep_______watch________sit________listen_________make________laugh________lie________cry________sing________cut_________write________talkingsleepingwatchingsitti

5、nglisteningmakinglaughinglyingcryingsingingcuttingwritingbe-ingnot主语be动词行为动词(+ing)Iamdrawingapicture.notPresentcontinuoustense现在进行时Negativesentences否定句HeSheItissleepingintheroom.not(isn’t)YouWeTheyarewatchingafilm.not(aren’t)Presentcontinuoustense现在进行时Quest

6、ions一般疑问句将be动词放在句子开头成为一般疑问句。Yes,sheis./No,sheisn’t.Yes,theyare./No,theyaren’t.Cherryisridingabicycle.IsCherryridingabicycle?Theyarecooking.Aretheycooking?Presentcontinuoustense现在进行时Questions特殊疑问句Questionswithquestionwords:Whatareyoudoing?Whyisthebabycry

7、ing?Whenarethechildrenleaving?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doing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

8、。atpresent目前；现在atthemoment此刻，现在rightnow此刻，现在；now现在与现在进行时连用的时间状语常与现在进行时态连用的词:now,atpresent；atthemoment，listen,look等。如：Whatareyoudoingnow?(你在干什么？)I’mreadingnow.(我现在正在读书。)Listen!Sheissinging.(听，她正在唱歌。)Now