Unit 1 Art Discover Useful Structures 不定式作表语选择性必修第三册.pptx

;Contents;;;;;1.不定式的一般式(todo):动作通常与谓语表示的动作同时

或几乎同时发生，或是在它之后发生。

Heappearstobeveryhappy.

Tocatchthetrain,we’dbetterhurrytothestationbytaxi.

;3.不定式的完成式(tohave+done):不定式的完成式表示的

动作在谓语表示的动作之前发生。

I’msorrytohavelostyourkey.我很抱歉把你的钥匙弄丢了。;;;;;Completethesentences:

1.当我13岁的时候,我唯一的目标是成为我们足球队的明星。

WhenIwas13myonlypurposewas____________(become)the

staronourfootballteam.

2.很多演讲的目的是使观众受益。

Theobjectiveofmostspeechesis_________(benefit)the

audience.

3.据说他们下星期要去参加一个重要的学术会议。

Itssaidthattheyare________(attend)animportantacademic

conferencenextweek.

4.别担心,你需要做的就是好好睡上一觉。

Dontworry.Whatyouneedtodois_______(have)agoodsleep.;1.我们的责任是改善我们的环境。

Ourdutyis________________________.

2.我想做的是在城里给我的父母买一所大房子。

_______________ispurchaseabighouseformyparentsinthe

city.

3.你所做的是填写表格。

Whatyouhavetodois________________.

4.看上去他的勇气已经完全消失。

Hiscourageappeared__________________.;;;;;;1.Myaimis_____(go)toTsingHuaUniversity.

2.Youknow,mygoalis___________(lose)150poundsinthecomingyear.

3.Theyare__________(marry)nextweek.

4.Idon’tknowwhatis____________(happen)tousifwegoonlikethis.;Inmyopinion,weshouldtryourbest____________(realize)ourgoalseventhoughthereislittlehope.

2.Trembledwithcold,thelittledoglookedsopitiful.(改错)

3.Ittakesalotofloveandcourage________(risk)one’sownlifeto

savesomeoneelse’s.

4.Firstly,I’dliketoexpressourheartfeltthanksforthehelp

offeringbyourteachers.(改错);

6.Tohelpslowthespreadofthenewcoronavirus,COVID-19,theChinese

governmentisworkingwithtwoofthecountry’slargesttechnologycompanies,

AlibabaGroupandTencentHoldings,__________(keep)trackofthedisease.

7.Hehasfoundthatamongthe90windinstruments___________(identify)by

theChineseMusicDictionary,47a