广州深圳版英语 七下 unit4 save the trees grammar课件.ppt

《广州深圳版英语 七下 unit4 save the trees grammar课件.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、GrammarUnit4SavethetreesTexbookLearningpaperE.W.vol.40NotebookPens课前准备（1）了解现在进行时的概念和结构；（2）重点掌握现在进行时时态中动词加ing的几种规律以及几种句型（肯定句、否定句、疑问句）；（3）了解现在进行时的几种特殊情况。教学目标Whatcantreesgiveus?LemontreeIhereintheboringroomIt'sjustanotherrainySundayafternoonImytime.IgotnothingtodoIaroundIforyouButnoth

2、ingeverhappensandIwonder’msitting’mwasting’mhanging’mwaitingIaroundinmycarItoofastItoofarI'dliketochangemypointofviewIfeelsolonelyIforyouButnothingeverhappensandIwonder’mdriving’mdriving’mdriving’mwaiting?be+v.ing=Thepresentcontinuoustense现在进行时Theyare_________(jump)now.jumpingLook!

3、Heis_______(take)photos.takingTheyare______(sit)ontheground.sittingTheyare_______(lie)onthegrassatthemoment.lyingHeis________(cheer)fortheathletes(运动员)whileheisrunning.cheeringTheyare_______(play)tugofwar(拔河).playingListen!Theyare_________(sing).singingTheyare_______(eat)snacks.eat

4、ingTheyarejumpingnow.Look!Heistakingphotos.Theyaresittingontheground.Theyarelyingonthegrassatthemoment.Heischeeringfortheathletes(运动员)whileheisrunning.Theyareplayingtugofwar(拔河).Listen!Theyaresinging.Theyareeatingsnacks.LookatthefollowingsentencesandfindoutthekeywordsthatshowsThepr

5、esentcontinuoustense.（观察以下句子，总结提示现在进行时的关键词。）Transformthepresentparticipleofverbsintoitsbasicform,thenclassifythemintodifferentkinds,thenworkouttherules.（先把以下现在分词的动词转换为它的原形；再将它们归类，总结出现在分词转换的规律。）Groupworksittingdriving.hangingrisingsharing.dying.becomingv.ingsitdrivehangsharerisedieb

6、ecomewaitingwaitcutcutting+ingie+y+ingdoublethelastletter+ingbecomingwaitingcuttinge+ingGrammarexerciseP50isdoingisplayingareplayingisfishingisswimmingarelyingiseatingisplayingamtalkingISheHeTheboyTheyThegirlsamwatchingTV.isisisarearedoinghomework.readingbooks.doingexercise.washing

7、thedishes.cleaningtheroom.??????请找找规律：怎样变否定句和一般疑问句？notnotnotnotnotnot探究点：堂上即时练习：I.句型转换：Theyaredoinghousework.(分别改成一般疑问句和否定句)一般疑问句：________________________________否定句：____________________________________2．Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)一般疑问句：____________________

8、___________肯定回答：__________