Unit3Discoveringusefulstructures导学案-高中英语人教版（2019）选择性必修第一册

第第5页共4页第一学期高一级英语导学案【单元标题】Book4Unit3第4课时DiscoveringUsefulStructures导学案【单元主题】本单元围绕“引人入胜的公园”这一主题展开，启发学生从人与自然、人与社会的角度，思考公园这一主题所蕴含的人文内涵和意义。【学习目标】1.学习动词-ing形式作主语的基本用法。2.灵活运用动词-ing形式作主语的一些特殊情况。【学前诊断】动词-ing形式在句子中作什么成分？【学习过程】【自主探究案】1.动词-ing形式作主语【观察思考】▶Sailingaboatisgreatfun,buttosailaboattodayisnotfunbecauseofthestrongwind.▶Learningtothinkcriticallyisanimportantskilltoday’schildrenwillneedforthefuture.▶Paintingandcollectingstampsarehishobbies.▶BeingeducatedinPekingUniversityisherdream.▶Itisnouselearningwithoutpractice.【探究总结】(1)动词-ing形式和不定式都可以用作_______。动词-ing形式往往表示普通的、一般的行为,而不定式常表示某次具体的行为。

(2)动词-ing形式作主语时,根据主谓一致的原则,谓语动词使用________形式。但是意义不同的两个动词-ing形式并列作主语时,谓语动词要用_________形式。

(3)如果作主语的动词表示被动意义,那么使用beingdone作主语。(4)动词-ing的否定形式是在其前面直接加上not。(5)形式主语it代替动词-ing形式作主语的常见句型:①Itisawasteof+time/money+doingsth.做某事是浪费时间/金钱。②Itisno+use/good/fun+doingsth.做某事没有用/没有好处/不好玩。③Itisuseless/worthwhile...+doingsth.做某事是没有用的/值得的……【应用实践】(1)单句语法填空。①__________(travel)alongtheoldSilkRoadisaninterestingandrewardingexperience.

②________(kill)byasharkwaswhatusedtohappeninthosedays.

③KeepingadiaryinEnglish__________(help)heralotinlearningEnglish.

④Not__________(be)tallisnothisdisadvantage.

(2)完成句子。①Itisuseless______________(和……争论)himbecauseheisstubborn.

②Itisawasteoftime_____________(玩游戏)onthecomputers.

③It’snogood__________________(吃太多)everyevening.

2.动词-ing形式的复合结构作主语【观察思考】▶Theirfailingintheexaminationmadethemalldisappointed.▶Kate’sleavingmadeeveryonesad.【探究总结】动词-ing形式的复合结构作主语时有两种形式:①形容词性+动词-ing形式;②+动词-ing形式。【应用实践】(1)完成句子。(他的到来)madeusveryhappy.(2)句型转换。Alicewasill,whichmadehermotherworriedalot.→__________________________________________________________________________3.探究学习Ⅰ.单句语法填空1.(swim)ismyfavouritesport.

2.Itwasrainingsohardthatwecouldn’thelpwonderinghowlongitwouldtake(get)there.

3.Goingtobedearlyandhavingbreakfast(consider)tobegoodhabits.

4.Doyouthinkitisworth(damage)one’shealthtolookslimandattractive?

5.Theteacherwasatthequestionthepupilaskedherinclass.(embarrass)

6.(hear)apoemreadhelpsusbetterunderstandit.

7.Hegotuplateandhurriedtohisoffice,(leave)thebreakfastuntouched.

8.Itisnecessary(get)preparedforajobinterview.(have)theanswersreadywillbeofgreathelp.

9.Itisworthwhile(make)theexperiment.

10.(recognise)whereveryougoisprobablythemaintroubleofbeingfamous.Ⅱ.完成句子1.看电视太久对我们的视力有害。____________________________doesharmtooureyesight.

2.我们有必要再学习一门外语。_____________necessary__________________________asecondforeignlanguage.

3.由于生病,我没有参加会议。,Ididn’tattendthemeeting.

4.看报纸时我听见门铃响了。Iheardthedoorbellringthenewspaper.

5.没有自己的梦想是今天很多青少年面临的问题。theirowndreamstheproblemmanyteenagersfacetoday.

Ⅲ.句型转换1.Itisagoodhabittohelpothers.→isagoodhabit.

2.Anyoneswimmingintheriverwillbefined.→Anyoneintheriverwillbefined.

3.Wemusttreasureeachdropofwaterwhichisusedfordrinking.→Wemusttreasureeachdropof.

4.Wegatheredaroundthefireanddancedwiththelocalpeople.→,wedancedwiththelocalpeople.

5.Whenheheardthefootsteps,hehidbehindthedoor.→,hehidbehindthedoor.Ⅳ.语法填空Chinahasdevelopedauniquefestivalfoodculturethroughouttheyears.1.____(eat)dumplingsisacommonfolkcustomformanyChineseonthedayofwintersolstice(冬至),especiallypeople2.(live)inthenorth.

PeopleinSuzhou,JiangsuProvince,areusedto3.(eat)wontons(馄饨)inmidwinter.According4.anoldstory,duringthemidwinterfeast2,500yearsago,theKingofWuwasfedupwithallkindsofcostlyfoodsandwantedtotrysomething5.(difference).Then,thebeautyXishimadewontonstosatisfytheKing’swish.Helikedthefoodsomuch6.heatealot.Later,thepeopleofSuzhouhadwontonstocelebratethefestival7.(official).

In8.(place)suchasShanghai,peopleeattangyuan,akindofsmalldumplingballproducedwithstickyriceflour(粉).PeopleinTaiwankeepthecustomof9.(provide)nine-layercakesfortheirancestors.Peoplefromthesamefamilygatherattheirancestraltemplestoadoretheirancestorsinorderoftheirages.While10.(hold)thegreatceremony,peoplekneeldown(跪下),prayingforfavourableweatherandagoodharvest.

【自我评价（self-evaluation）】Thinkaboutthispassagelearningandcompletethefollowingform.Rateyourselfonascaleoffive:onebeinglowandfivebeinghigh,andputitint