Unit 1 Period 3 Helping those in need 初中英語課件

Period3

Grammar（1）基本形式：

to+動詞原形（在某些情況下可以不帶to）（2）特點(diǎn)：

A.沒有人稱和數(shù)的變化C.有時(shí)態(tài)和語態(tài)的變化（被動語態(tài)的形式為tobe+動詞過去分詞）B.可以有自己的賓語和狀語

Grammar動詞不定式A、作主語

Tolearnaforeignlanguageisnoteasy.

Itisgood

others.

幫助他人是件好事。

Itisexciting

theInternet.

上網(wǎng)是件令人興奮的事。

tohelptosurf=It’snoteasytolearnaforeignlanguage.動詞不定式用法B、作表語Theimportantthingistofinishthework

ontime.Whatyouhavetodonowis

(打掃教室)

tocleantheclassroom

動詞不定式C作賓語

動詞+todo常見動詞有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動詞不定式2)動詞+疑問詞+todoIdon’tknowwhattodo.howtodoit/that.

(去哪里)

(什么時(shí)候出發(fā))

(選擇哪個(gè))Wheretogo

Whentoleave

Whichonetochoose動詞不定式3)動詞+it(形式賓語）+賓補(bǔ)+todoIfinditimportanttolearnEnglish我發(fā)現(xiàn)很難和他好好相處.我發(fā)現(xiàn)在炎熱的夏天很容易入睡Ifindithardtogetonwellwithhim.Ifinditeasytofallasleepinhotsummer.動詞不定式1)動詞+賓語+todo

LiMeiaskedmetoshowherthenewdictionary.注：有以上結(jié)構(gòu)的常用動詞有tell.wish,ask,wantlike,

beg,invite,warn,allow,encourage,advise

等。2)動詞+賓語+do(不帶to的不定式)注：常用的動詞是:感官動詞see,hear,feel,

watch,notice；使役動詞have,make,let.動詞不定式做賓補(bǔ)E、作狀語可以表目的、表結(jié)果、表原因F、作定語（必須后置）Icamehere

(告訴你一個(gè)好消息)totellyouagoodnewsWehavealotofhomeworktodoeveryday.Ihaveagoodnewstotellyou.我們每天有很多作業(yè)要做.我有個(gè)好消息要告訴你.動詞不定式not+todoMr.Smithaskedtheboy___________(notplay)thiskindofgame.

nottoplayPleasetellher__________(notdo)somuchhousework.

nottodo動詞不定式的否定形式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用所給單詞的適當(dāng)形式填空。1.Ourteachersalwaysmakeus_______(study).2.Shewouldlikeyou_________(come)

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