Unit1Thisisme!Grammar課件譯林版（2024）七年級英語上冊

譯林版（2024）七年級英語上冊Unit1Thisisme!Grammar12能夠掌握Be動詞的用法及意義能夠掌握一般現(xiàn)在時肯定句、否定句和一般疑問句的變換PresentationWisemenlearnbyothermen'smistakes;foolsbytheirownLet’sthink剛剛我們學習了be動詞在一般現(xiàn)在時中的肯定句用法，那否定句怎么辦呢？Wisemenlearnbyothermen'smistakes;foolsbytheirown“Be”amisareWeuse“am”“is”“are”inthesimplepresenttense（一般現(xiàn)在時）.What’sthetense(時態(tài)）?Wisemenlearnbyothermen'smistakes;foolsbytheirownthesimplepresenttense一般現(xiàn)在時Wisemenlearnbyothermen'smistakes;foolsbytheirownSimplepresenttense一般現(xiàn)在時Thingsthatarealwaystrue客觀存在的事實Thesunrisesintheeast.Thingsthatwedoregularly經(jīng)常做的事Simonoftenplaysfootballafterschool.IoftenlistentomusicwhenItakeabus.Thingsthataretruenow目前存在的事實Myhairislong.Youaremiddleschoolstudentsnow.Wisemenlearnbyothermen'smistakes;foolsbytheirownLet’slearn動詞be一般現(xiàn)在時的否定句式是在be后面加not。（some變any，and變or，too變either）在非正式文體中，is/are和not可以縮寫，如：isnot=isn’t,arenot=aren’t,am和not不能縮寫。Wisemenlearnbyothermen'smistakes;foolsbytheirown時態(tài)，是指句中謂語動詞在不同的時間和狀況下所使用的某種動詞形式。

時態(tài)不同→謂語動詞變化What’sthetense(時態(tài)）?在一般現(xiàn)在時中，當句中的謂語動詞是be動詞時，我們使用“am”“is”“are”三種形式。Wisemenlearnbyothermen'smistakes;foolsbytheirown動詞be的一般現(xiàn)在時定義定義動詞be的一般現(xiàn)在時通常表示狀態(tài)和事實。舉例Iamastudent.

我是一名學生。Sheistallandslim.

她又高又苗條。Thegirlsaretwelveyearsold.女孩們是十二歲。主語可以是人稱代詞，也可以是名詞。動詞be要與主語保持一致。Wisemenlearnbyothermen'smistakes;foolsbytheirownRabbitsareanimals.兔子是動物。

Beijing

is

inChina.北京在中國。Totalkaboutthefacts描述客觀事實Wisemenlearnbyothermen'smistakes;foolsbytheirownLet’sfind你能總結出be動詞在一般現(xiàn)在時中的一般疑問句的用法嗎？Wisemenlearnbyothermen'smistakes;foolsbytheirownWeusethesimplepresenttensetotalkaboutthefactsandthepresentstates.當我們談論客觀事實或現(xiàn)階段的狀態(tài)時，我們使用一般現(xiàn)在時。Whentousethesimplepresenttense?Wisemenlearnbyothermen'smistakes;foolsbytheirownReadandfinish將下列句子改為否定句Mymotherisadoctor.Mymotherisn'tadoctor.Iamanewstudent.Iam(I’m)notanewstudent.Theyaregoodfriend,too.Theyaren’tgoodfriends,either.Wisemenlearnbyothermen'smistakes;foolsbytheirownPresentationWisemenlearnbyothermen'smistakes;foolsbytheirownLet’slearnHeis

ourEnglishteacher.（肯定句）IsheyourEnglishteacher?（一般疑問句）肯定回答：Yes,heis.否定回答：No,heisnot(isn’t).在肯定答句中，主語和動詞be不能縮寫，如：Yes,heis不能縮寫成Yes,he’s.Wisemenlearnbyothermen'smistakes;foolsbytheirownPresentationSimplepresenttenseoftheverbbe

be動詞的一般現(xiàn)在時一般疑問句和簡略答語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動詞be一般現(xiàn)在時的一般疑問句式是將be提前至句首。（第一人稱變第二人稱。通常some變any。）I

amgoodatEnglish.（肯定句）Are

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