Unit 1 Period 3 Helping those in need 初中英语课件

Period3

Grammar（1）基本形式：

to+动词原形（在某些情况下可以不带to）（2）特点：

A.没有人称和数的变化C.有时态和语态的变化（被动语态的形式为tobe+动词过去分词）B.可以有自己的宾语和状语

Grammar动词不定式A、作主语

Tolearnaforeignlanguageisnoteasy.

Itisgood

others.

帮助他人是件好事。

Itisexciting

theInternet.

上网是件令人兴奋的事。

tohelptosurf=It’snoteasytolearnaforeignlanguage.动词不定式用法B、作表语Theimportantthingistofinishthework

ontime.Whatyouhavetodonowis

(打扫教室)

tocleantheclassroom

动词不定式C作宾语

动词+todo常见动词有choose,hope,offer,want,decide,learn,plan,wish,agree,fail等1.Hedecided(buy)thecamera.tobuy

2.Iwant

(listento)somemusicafterclass.tolistento

3.Ihope

(travel)allovertheworldoneday.totravel动词不定式2)动词+疑问词+todoIdon’tknowwhattodo.howtodoit/that.

(去哪里)

(什么时候出发)

(选择哪个)Wheretogo

Whentoleave

Whichonetochoose动词不定式3)动词+it(形式宾语）+宾补+todoIfinditimportanttolearnEnglish我发现很难和他好好相处.我发现在炎热的夏天很容易入睡Ifindithardtogetonwellwithhim.Ifinditeasytofallasleepinhotsummer.动词不定式1)动词+宾语+todo

LiMeiaskedmetoshowherthenewdictionary.注：有以上结构的常用动词有tell.wish,ask,wantlike,

beg,invite,warn,allow,encourage,advise

等。2)动词+宾语+do(不带to的不定式)注：常用的动词是:感官动词see,hear,feel,

watch,notice；使役动词have,make,let.动词不定式做宾补E、作状语可以表目的、表结果、表原因F、作定语（必须后置）Icamehere

(告诉你一个好消息)totellyouagoodnewsWehavealotofhomeworktodoeveryday.Ihaveagoodnewstotellyou.我们每天有很多作业要做.我有个好消息要告诉你.动词不定式not+todoMr.Smithaskedtheboy___________(notplay)thiskindofgame.

nottoplayPleasetellher__________(notdo)somuchhousework.

nottodo动词不定式的否定形式PresentationInfinitivesWeoftenuseto+infinitiveaftertheseverbs:choosehopeofferwantdecidelearnplanwishThingstoremember

Wecanusequestionwords+to+infinitivesafterdecide,know,learnandremember.Doyouknowhowtohelpdisabledchildren?Presentation

A1MarkandhismothervisitedVivien.Markistellinghisfriendsaboutthevisit.Completehiswordswiththecorrectformsoftheverbsinbrackets.We(1)________________(decide/meet)Vivientoday.We(2)_____________(want/help)herinsomeway.Whenwearrived,Vivienwasveryhappy.She(3)_____________(begin/talk)tomeaboutherschool.Shesaid,“I(4)__________(like/go)toschool,butIdon’thaveanyfriends.Ifeellonely.”Mumgavehersomeadvice.ThenMumaskedmetogiveVivienherpresent,butI(5)_____________(forget/bring)it!Viviensaid,“It’sOK.I(6)___________(hope/see)youagainsoon.”decidedtomeetwantedtohelpbegantotalkliketogoforgottobringhopetoseePresentationB.BettyisvisitingCindyinthehospital.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Betty:Morning,Cindy.We’reorganizingapaintingcompetitionforthechildreninhospital.We’ll(1)_____them________(ask/paint)pictures.Wouldyouliketotakepartinthecompetition?Cindy:Yes,I’dloveto.Iwanttopaintapictureoftheparknearmyhome,butthedoctorwon’t(2)___me___(let/go)out.He(3)____me_______(want/stay)inhospital.askletgowantstostaytopaintPresentationBetty:Doyou(4)_______me________(want/take)somephotosofthatparkforyou?Cindy:Yes.Thatwouldbeverykindofyou.Betty:I’llgotherethisweekend.ThenI’llbringthephotostoyounextweekand(5)___________you___________(teach/paint).Cindy:Thanksforyourhelp.teachtopaintwanttotakePresentation

C.Usetheinformationinthereportsonpage3toanswerthesequestions.Usethecorrectinfinitivesinyouranswers.Whydidthethreeteenagersoffertodosomevoluntaryworkduringtheschoolholidays?Theyofferedtodosomevoluntarywork_______childreninneed.WhydidBettygotothechildren’shospital?Shewenttothehospital___________apaintingcompetitionforthechildrenthere.WhydidBettygototheparknearCindy’shome?Shewentthere________somephotos.tohelptotaketoorganizePresentation4WhydidMarkandhismotherteachVivientotellstories?TheytaughtVivientotellstories___________herexpressherfeelings.WhydidAnnieteachdisabledchildrentosing?Shetaughtthemtosing___________themjoyandpeace.tohelptobringPractice用所给单词的适当形式填空。1.Ourteachersalwaysmakeus_______(study).2.Shewouldlikeyou_________(come)

toherhome.3.Theywant________(go)shopping.4.Thepolicemanaskedus______________(notpl