Unit 4 The Earth Lesson3 Grammar 课件(共16张PPT)沪教版（2025）七年级上册.pptxVIP

Lesson3;Weoftenuse“Thereis/are...”tosaythatsth.existssomewhere.;Present—Observe—Discover—Induce;Thinkaboutthedifference:

Yousee,therearealwaysmanybottlesandplasticbags,andalotofotherrubbishonthebeachesinourarea.

Yousee,thereisalwaysalotofrubbish,andmanybottlesandplasticbagsonthebeachesinourarea.;Today,thereisalotofpollution.

TherearealsomanypeoplelikeyouandmeonEarth.

Therearemanydifferentplants.

TherearedifferentanimalsonEarthtoo.

Thereareforestsandrivers,mountainsandfields.

;Weoftenusethereis…orthereare…tosaythatsomethingexistssomewhere.;There______apenonthedesk.

There______twoboxesonthedesk.

There______apenandtwoboxesonthedesk.

There______twoboxesandapenonthedesk.

There______somewaterinthebottle.

There______somerocksinthebottle.

There______somerocksandwaterinthebottle.

There______somewaterandrocksinthebottle.;Practiceanddrill;Wordbanks;Whatrubbishisthereineachbin?;Task:PrepareaspeechtoaskmorepeopletotakepartintheBeachClean-upDay.Workingroupsoffourandanswerthefourquestionsrespectively.;Self-assessment;Homework

基础作业1.熟练朗读p.57上的对话。2.把Grammarinuse的演讲稿写成作文，注意在作文中正确使用Therebe句型。拓展作业

用Therebe句型谈论更多环境问题，并尝试给出解决问题的建议。;根据题目要求，完成下列句子。

1.Therearesomebottlesofmilkinthefridge.

(改为一般疑问句并作肯定和否定回答)

__________________bottlesofmilkinthefridge?

Yes,____________.

No,____________.

2.Therearetenbirdsflyingintheair.

(就划线部分提问)

____________birds____________flyingintheair?;3.Thereissomeiceontheriver.(就划线部分提问)

____________ice____________ontheriver?

4.Therearesomeapplesinthebox.

(用a/an替换some改写句子)

There__________________inthebox.

5.Isthereapieceofpaperonthedesk?

(用three替换a改写句子)

______there____________of______onthedesk?