译林 七年级 英语 上册 Unit 2《Period 3 Grammar》教学课件

Period3GrammarUnit2Hobbies通过本课的学习，学生能够：1.在听、说、读、写的活动中，学会运用含有行为动词的一般现在时的句型。(学习理解)2.在老师的帮助下，总结语法规则并运用规则进行填空练习。(应用实践)3.大胆尝试用英文与你的同伴运用动词的正确形式谈论你和你的朋友的爱好。(迁移创新)完成课时目标需要的核心语言如下:1.Sciencechanges…2.Daniellikesto…3.Mymumdoesn’tlike…4.—DoSandyandKittyenjoy…?—Yes,theydo./No,theydon’t.原文Simplepresenttense(II)HerearesomesentencesfromMillie'sarticleaboutDaniel.Readthemandpayattentiontotheuseoftheverbs.Weusethesimplepresenttensetotalkabout:1.thingsthatweoftendoDanieloftenvisitssciencemuseums.2.thingsthatarealwaystrueSciencechangespeople'slives.3.thingsthataretruenowDaniellikestotakethingsapart.Wemakepositiveandnegativesentencesusingtheverbsinthesimplepresenttenselikethis:I/You/We/TheylikeHe/She/Itlikessport.I/You/We/TheydonotlikeHe/She/Itdoesnotsport.TIPdonot=don‘t

doesnot=doesn'tWeaskandanswerquestionsusingtheverbsinthesimplepresenttenselikethis:DoI/You/We/TheylikeDoesHe/She/Itsport?Yes,I/you/we/theydo.he/she/itdoes.No,I/you/we/theydonot.he/she/itdoesnot.Workouttherule!Whenwemakenegativesentencesandaskquestions,·weuse________(do,does)withI,you,weandthey;·weuse________(do,does)withhe,sheandit.dodoesRememberthatweadd–stotheverbafterhe,sheorit.However,therearesomeexceptions:Mostverbs+slike→likesplay→playsVerbsendinginaconsonant+y-y+iesstudy→studiesfly→fliesVerbsendinginch,sh,ssorx+eswatch→watcheswash→washesdress→dressesfix→fixesVerbsendingino+esgo→goesdo→doesTIPTurntopage141forchangesinpronunciation.ATheClass1,Grade7studentshavedifferenthobbies.Completethesentencesbelowwiththecorrectformsoftheverbsinthebox.dancegoflyloveplayreadwatchwant1.Millie_________reading.She_________everyevening.2.Simon_________footballeveryweek.Healso_________footballmatches.lovesreadsplayswatchesdancegoflyloveplayreadwatchwant3.David_________forawalkonSaturdays.Sometimes,he_________akiteinthepark.4.Kittylikesdancing.She_________forhalfanhoureveryday.She_________tolearnallkindsofdances.goesfliesdanceswantsBThestudentsarewritingtheirnamesundertheactivitiestheylikeinthetablebelow.Completethequestionsandthenusetheinformationinthetabletoanswerthem.ListeningtomusicSwimmingReadingJoggingDrawingSandySimonKittyAmyDanielMillieDanielNoraSandySimonKittyAmyMillieSandyMillieKitty1.DoSandyandKittyenjoylisteningtomusic?Yes,theydo.2.________Millielikeswimming? __________________3.________Amyenjoyreading? __________________4.________Daniellikejogging? __________________5.________SimonandDaniellovedrawing?

__________________DoesNo,shedoesn’t.DoesNo,shedoesn’t.DoesNo,hedoesn’t.DoNo,theydon’t.CAmyandSandyaretalkingabouttheirhobbies.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Amy:Hi,Sandy.What'syourhobby?Sandy:I(1)________(like)painting.Ioftenpaintatmyaunt'shouse.Myaunt(2)________(know)somuchaboutart.She(3)________(help)mealot.Whataboutyou?(4)________you_______(like)art?Amy:No,Idon't,butIlikesport.Ioften(5)_______(go)swimming.likeknowshelpsDolikegoSandy:Great!(6)________you______(go)withyourparents?Amy:Yes.Mydad(7)________(love)swimmingandhealways(8)________(go)swimmingwithme.Mymum(9)____________(notlike)swimming.She(10)___________(watch)usswim.Dogolovesgoesdoesn’tlikewatches问题WhodoesAmygoswimmingwith?答案：Herparents.DTalkwithyourpartneraboutyourandyourfriends’hobbies,usingthecorrectformsoftheverbs.行为动词的一般现在时用法表达经常性、习惯性的动作①表达目前的爱好、能力等②表达客观事实，永恒的真理③

第三人称单数的变化方式一般情况在词尾加-s，e.g.walk—walks以s，x，ch，sh结尾在词尾加-es，e.g.wash—washes以辅音字母加y结尾先变y为i，再加-es，e.g.fly—flies部分以o结尾的动词后加-es，e.g.go—goes特殊变化，需要特别记忆，e.g.have—has行为动词的一般现在时行为动词的一般现在时句式④构成否定句是在行为动词前加donot或doesnot构成一般疑问句是在句首加Do或Does以辅音字母加y结尾先变y为i，再加-es，e.g.fly—flies在疑问句和否定句中，助动词之后的行为动词用原形常用时间状语常和频率副词及表示次数的时间状语连用⑤①Iwalktoschooleveryday.我每天步行上学。返回②Mylittlesistersingsverywell.我的妹妹歌唱得很好。返回③Fishliveinwater.鱼生活在水里。考题1:[南京鼓楼期中]Ourschoollibrary________(open)at8:00a.m.duringtheweekday.【点拨】句意：我们学校图书馆上学日期间早上8点开门。由“duringtheweekday”判断时态为一般现在时；主语“Ourschoollibrary”为单数，故谓语动词要用三单。opens考题2:[如皋实验中学期中]—Lily,whatdoyouusuallydoafterschool?—I______exercisewithmyfriends.A.doB.didC.willdoD.wasdoing【点拨】句意：——莉莉，放学后你通常做什么？——我和我的朋友一起锻炼。根据问句中的usually可知，询问的是经常反复发生的动作，用一般现在时表达。A考题3:—_______yourfatheroften_______TVintheevening?—Yes，hedoes.A.Do；watch B.Does；watchesC.Does；watch D.Do；watches【点拨】一般疑问句中，当主语是第三人称单数，时态是一般现在时时，助动词用does，行为动词用原形。句子询问“你爸爸晚上经常看电视吗？”，所以选C。C考题4:—Whattime_______yourbrother_______breakfast?—At7：30.A.do；have B.does；haveC.do；has D.does；has【点拨】

句子询问“你哥哥几点吃早饭？”，询问的是一般性的日常习惯，所以使用一般现在时，主语yourbrother是第三人称单数，所以助动词用does，行为动词have用原形。选项B正确。B行为动词的一般现在时:当主语是第一、第二人称和第三人称复数时，行为动词用原形;但当主语是第三人称单数时，行为动词要用单数形式。含行为动词的否定句式和疑问句式要借助助动词do或does。返回④含行为动词的一般现在时的句式句式句型例句肯定句主语+行为动词+其他.Welikefootball.我们喜欢足球。否定句主语+do/doesnot+行为动词原形+其他.Wedon’tlikefootball.我们不喜欢足球。疑问句一般疑问句Do/Does+主语+行为动词原形+其他？Doyoulikefootball?你们喜欢足球吗？特殊疑问句特殊疑问词+do/does+主语+行为动词原形+其他？Whatdoyoulike?你们喜欢什么？助记:肯定句改为一般疑问句一加:在句首加助动词Do或Does;二改:(1)把谓语动词改为原形;(2)改换主语称谓(将第一人称“I/we”改成第二人称“you”);三问号:句末的句号改为问号。主语为第三人称单数的含行为动词的否定句式和疑问句式在使用助动词does之后，行为动词要恢复原形。考题5:

Mymotherwashesclothesintheevening.(改为一般疑问句)________________mother________clothesintheevening?【点拨】主语Mymother是第三人称单数，改为一般疑问句要借助助动词does，疑问句将my改为your,washes改为动词原形。Doesyourwash考题6:Mysister________thepianoeverydayafterschool.A.playsB.playC.playingD.toplay【点拨】句子描述“我妹妹每天放学后都弹钢琴”，描述习惯性或经常性的动作，用一般现在时，主语Mysister是第三人称单数，所以动词用单数形式plays，选A。A考题7:

Theyusually________schoolat7：45inthemorning.A.gotoB.goestoC.goingtoD.togo【点拨】句子描述“他们通常在早上7：45去学校”，表示一种通常的习惯，用一般现在时。主语They是复数，所以动词短语用原形goto，选项A正确。A返回⑤一般现在时常和频率副词及表示次数的时间状