Unit1Thisisme!Grammar课件译林版（2024）七年级英语上册

译林版（2024）七年级英语上册Unit1Thisisme!Grammar12能够掌握Be动词的用法及意义能够掌握一般现在时肯定句、否定句和一般疑问句的变换PresentationWisemenlearnbyothermen'smistakes;foolsbytheirownLet’sthink刚刚我们学习了be动词在一般现在时中的肯定句用法，那否定句怎么办呢？Wisemenlearnbyothermen'smistakes;foolsbytheirown“Be”amisareWeuse“am”“is”“are”inthesimplepresenttense（一般现在时）.What’sthetense(时态）?Wisemenlearnbyothermen'smistakes;foolsbytheirownthesimplepresenttense一般现在时Wisemenlearnbyothermen'smistakes;foolsbytheirownSimplepresenttense一般现在时Thingsthatarealwaystrue客观存在的事实Thesunrisesintheeast.Thingsthatwedoregularly经常做的事Simonoftenplaysfootballafterschool.IoftenlistentomusicwhenItakeabus.Thingsthataretruenow目前存在的事实Myhairislong.Youaremiddleschoolstudentsnow.Wisemenlearnbyothermen'smistakes;foolsbytheirownLet’slearn动词be一般现在时的否定句式是在be后面加not。（some变any，and变or，too变either）在非正式文体中，is/are和not可以缩写，如：isnot=isn’t,arenot=aren’t,am和not不能缩写。Wisemenlearnbyothermen'smistakes;foolsbytheirown时态，是指句中谓语动词在不同的时间和状况下所使用的某种动词形式。

时态不同→谓语动词变化What’sthetense(时态）?在一般现在时中，当句中的谓语动词是be动词时，我们使用“am”“is”“are”三种形式。Wisemenlearnbyothermen'smistakes;foolsbytheirown动词be的一般现在时定义定义动词be的一般现在时通常表示状态和事实。举例Iamastudent.

我是一名学生。Sheistallandslim.

她又高又苗条。Thegirlsaretwelveyearsold.女孩们是十二岁。主语可以是人称代词，也可以是名词。动词be要与主语保持一致。Wisemenlearnbyothermen'smistakes;foolsbytheirownRabbitsareanimals.兔子是动物。

Beijing

is

inChina.北京在中国。Totalkaboutthefacts描述客观事实Wisemenlearnbyothermen'smistakes;foolsbytheirownLet’sfind你能总结出be动词在一般现在时中的一般疑问句的用法吗？Wisemenlearnbyothermen'smistakes;foolsbytheirownWeusethesimplepresenttensetotalkaboutthefactsandthepresentstates.当我们谈论客观事实或现阶段的状态时，我们使用一般现在时。Whentousethesimplepresenttense?Wisemenlearnbyothermen'smistakes;foolsbytheirownReadandfinish将下列句子改为否定句Mymotherisadoctor.Mymotherisn'tadoctor.Iamanewstudent.Iam(I’m)notanewstudent.Theyaregoodfriend,too.Theyaren’tgoodfriends,either.Wisemenlearnbyothermen'smistakes;foolsbytheirownPresentationWisemenlearnbyothermen'smistakes;foolsbytheirownLet’slearnHeis

ourEnglishteacher.（肯定句）IsheyourEnglishteacher?（一般疑问句）肯定回答：Yes,heis.否定回答：No,heisnot(isn’t).在肯定答句中，主语和动词be不能缩写，如：Yes,heis不能缩写成Yes,he’s.Wisemenlearnbyothermen'smistakes;foolsbytheirownPresentationSimplepresenttenseoftheverbbe

be动词的一般现在时一般疑问句和简略答语Iam...AmI...?Youare...Areyou...?He/She/Itis...Ishe/she/it...?Theyare...Arethey...?Yes,youare.No,youarenot.Yes,Iam./No,I’mnot.Yes,weare./No,wearenot.Yes,he/she/itis.No,he/she/itisnot.Yes,theyare./No,theyarenot.Wisemenlearnbyothermen'smistakes;foolsbytheirownLet’slearn动词be一般现在时的一般疑问句式是将be提前至句首。（第一人称变第二人称。通常some变any。）I

amgoodatEnglish.（肯定句）Are

yougoodatEnglish?（一般疑问句）肯定回答：Yes,Iam.否定回答：No,Iamnot.Wisemenlearnbyothermen'smistakes;foolsbytheirownPracticeFinishAonpage12amamareWisemenlearnbyothermen'smistakes;foolsbytheirownPracticeFinishAonpage12