Unit2Grammar课件译林版七年级英语上册

GrammarUnit2Hobbies能掌握行为动词一般现在时的用法、行为动词一般现在时的两种形式及其搭配的主语和其中一种形式的构成方法。能掌握行为动词的一般现在时的肯定句、否定句、一般疑问句及其肯否定回答的结构。学习目标Review我用am，你用are，is用于他、她、它；单数名词用is，复数名词全用are。

变否定，很容易，be后not莫忘记。变疑问，be提前，句末问号莫丢弃。

否定疑问任你变，句首大写莫迟疑。be动词用法口诀Whendoweusethesimpletenseoftheverbtodo?Heoftenvisitssciencemuseums.Thingsthatweoften

do新课讲授LookandsummariseSciencechangespeople’slives.Thingsthatare

alwaystrueHelikestotakethingsapart.Thingsthataretruenow行为动词的一般现在时可用于以下情况:1.经常性，习惯性的行为;Thingsthatweoften

do2.不受时间限制的客观事实;Thingsthatare

alwaystrue3.人或物的一般特征;Thingsthatare

truenow注意：一般现在时常与always、often、usually、sometimes等频度副词或everyday/week/morning、inthemorning/

afternoon/evening等时间状语连用。Summary请判断下列句子是哪种情况。1)Tigerseatmeat.________2)Shehaslonghair._______3)Millielikesswimming._________4)Ioftenreadingbooks.________5)Thesunrisesinfromtheeast.________6)Heplaysvolleyballafterschool.________A.thingsthataretruenow.B.thingsthatweoftendo.C.thingsthatarealwaystrue.CAABCBPracticeHowdoweusethesimpletenseoftheverbtodo?I/You/We/TheyHe/She/Itlikelikessport.I/You/We/TheyHe/She/Itdonotdoesnotsport.likeDoDoesI/you/we/theyhe/she/itlikesport?No,Yes,I/you/we/theyhe/she/itI/you/we/theyhe/she/itdonot.doesnot.do.

does.

Lookandsummarise根据主语的人称和数的不同，行为动词的一般现在时有两种形式。当主语是第一、第二人称和第三人称复数时，行为动词使用其原形，当主语是第三人称单数时，行为动词使用其第三人称单数形式。Summary1.行为动词一般现在时肯定句：主语+行为动词（原形或三单）+其他.2.行为动词一般现在时否定句：

主语+do/doesnot+行为动词（原形）+其他.3.行为动词一般现在时的一般疑问句及其肯否定回答：

Do/Does+主语+行为动词（原形）+其他?肯定回答Yes,主语+do/does.

否定回答No,主语+do/doesnot.Whenwemakenegativesentencesandaskquestions.weuse__________(do,does)withI,you,weandthey.weuse__________(do,does)withhe,sheandit.doesdoWorkouttheruleTip:formal

(正式的)：donot/doesnotinformal(非正式的)：don’t/doesn’tHowdoweformthethirdpersonsingularoftheverbtodo?行为动词一般现在时的第三人称单数形式的构成方法如下：规则举例读音变化大多数动词后加smake—makeslive—lives清辅音后的s读[s]；浊辅音或元音后的s读[z]以ch、sh、ss或x结尾的动词后加esteach—teachesfinish—finishes

guess—guesses

fix—fixeses读[ɪz]以辅音字母+y结尾的动词，去掉y，再加iescarry—carriescry—crieses读[z]注：如果动词以元音字母+y结尾，不适用此规则。如：play—plays以辅音字母+o结尾的动词后加esgo—goeses读[z]特殊变化have—hasTheClass1,Grade7studentshavedifferenthobbies.Completethesentencesbelowwiththecorrectformsoftheverbsinthebox.Practice1Millie

reading.She

everyevening.2Simon

footballeveryweek.Healso

footballmatches.3David

forawalkonSaturdays.Sometimes,he

akiteinthepark.4Kittylikesdancing.She

forhalfanhoureveryday.She______tolearnallkindsofdances.lovesreadsplayswatchesgoesfliesdanceswantsdancegoflyloveplayreadwatchwantThestudentsarewritingtheirnamesundertheactivitiestheylikeinthetablebelow.Completethequestionsandthenusetheinformationinthetabletoanswerthem.ListeningtomusicSwimmingReadingJoggingDrawingSandySimonKittyAmyDanielMillieDanielNoraSandySimonKittyAmyMillieSandyMillieKitty1

SandyandKittyenjoylisteningtomusic?2

Millielikeswimming?3

Amyenjoyreading?4

Daniellikejogging?5

SimonandDaniellovedrawing?No,shedoesn’t.No,shedoesn’t.No,hedoesn’t.No,theydon’t.Yes,theydo.DoDoesDoesDoesDo___________________________________________________________________________Look!AmyandSandyaretalkingabouttheirhobbies.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Amy:Hi,Sandy.What'syourhobby?Sandy:I

(like)painting.Ioftenpaintatmyaunt'shouse.Myaunt

(know)somuchaboutart.She

(help)mealot.Whataboutyou?

you

(like)art?Amy:No,Idon't,butIlikesport.Ioften

(go)swimming.Sandy:Great!

you

(go)withyourparents?Amy:Yes.Mydad

(love)swimmingandhealways

(go)swimmingwithme.Mymum

(notlike)swimming.She

(watch)usswim.likeknowshelpsDolikegoDogolovesgoesdoesn’tlikewatchesWorkinpairs.Talkwithyourpartneraboutyourandyourfriends’hobbies,usingthecorrectformsoftheverbs.5Showtime课堂总结1.行为动词的一般现在时的三种用法2.行为动词的一般现在时的三种句式结构3.行为动词的第三人称单数形式的构成当堂检测单项选择。()1.JohnandPeteroften_______basketballafterschool.

A.play B.plays

C.areplaying

D.willplay()2.Myfather_______inthehospitalandheisadoctor.

A.work

B.works

C.worked

D.willwork()3.—_______yoursisterlovedrawing?

—

Yes.Shedrawsforanhourafterdinnereveryday.

A.Do

B.Are

C.Does

D.Is()4.—

DoesLily

_______toschoolbybike?

—No,shedoesn’t.She_______toschoolonfoot.

A.goes;goes

B.go;goes

C.goes;go

D.go;go()5.Thesun_______intheeastand_______in