Igotothekitchen.Iopenthefridge.Iwanttofindsomething.What’smypurpose?Tofindsomethingtoeat.It’sthesummervacation,Igotothezoo.What’smypurpose?Toseeanimals.Idecidetosolvethisriddle.what’stheimportantpart?Decidetosolve.to+do：infinitive(動詞不定式)Guessinggame.to+do：adverbialofpurpose(表目的狀語)Iusethescissorstocutpaper.Iplaytheflutetorelax.Iwenttothesportscentretoice-skate.Findtherule.動詞+todo：object(作賓語)Idecidedtogiveitago.WhenIwanttorelax,Iwatchanimalvideos.Itrytomakemoney.Findtherule.todo：objectcomplement(作賓補)Shetoldmenottogiveupsoeasily.Mycousinoftenasksmetoflykiteswithher.Studentshelpedeachothertomakepapercutting.Findtherule.Find“to”andguessthemeanings.1.Emmawenttosportscentertotryiceskating.

2.Emmadidn’twanttogoiceskatingagainatfirst.3.FuXingtoldEmmathatnooneexpectedhertobeperfectfromthestart.

4.TheinstructortoldEmmanottogiveupsoeasily.

5.FuXingusedtobescaredofwater,buthestartedswimmingtogetoverherfear.6.FuXingencougragedEmmatotryiceskatingagain.

作狀語，表目的作賓語，表具體某事作賓補，表對賓語補充說明作賓補作狀語，表目的作賓補Whatisthe“to”?totryiceskating

togoiceskatingtobeperfectnottogiveuptogetoverherfeartotryiceskatingagainto+v.原形to+do/beinfinitivenotto+do/beWhatdoyoudoinyourfreetime?Iplaytheflutetorelax.Howdidyouspendyourweekend?Iwenttothesportscentretoiceskate.Howdidyougetintopainting?Isawmymotherpaint.Idecidedtogiveitago.Whatdidyourinstructorsay?Shetoldmenottogiveupsoeasily.AdverbialAdverbialObjectcomplementObjectcomplement4a.Readthesentences.Decideifeachinfinitiveinboldfunctionsasanobjectcomplementoradverbial.1.A:Thanksforyouradvice!Itmademe__________(decide)totryskiing.B:You'rewelcome.Try_________(forget)yourfearsandhavefun!2.A:Mycousinoftenasksme__________(fly)kiteswithherwhenit'swindy.

B:Thatsoundsfun!I'dlovetowatchyou_________(fly)kitessometime.3.A:Ilovetowatchkungfumovies_________(relax).B:Really?WhenIwant___________(relax),Iwatchanimalvideos.4.A:Myparentstoldme___________(notpush)myselftoohard.B:Yes,it'simportant____________(notforget)torelaxonceinawhile.decidetoforgettoflyflytorelaxtorelaxnottopushnottoforgetmakesb.dosth.讓某人做某事trytodosth.嘗試做某事asksb.todosth.要求某人做某事watchsb.dosth.看某人做某事用動詞不定式“torelax”作目的狀語wanttodosth.想要做某事tellsb.nottodosth.告訴某人不要做某事“it's+形容詞+nottodosth.”是常用結(jié)構(gòu)4b.Completetheconversationswiththecorrectformsoftheverbsinbrackets.MytwinbrotherandIlookalike,butwearesodifferent.Ilovesport,andI

oftenmeetmyfriends_________footballandtennis.Mybrotherjoined

ustoplayfootballonceortwice,buthedecided___________afterthat.Hedoesn'tlikesportverymuch!Instead,helikes______athome

and________movies,_________tomusic,and__________with

friendsonline.Ourparentswereworriedabouthimstayingathometoomuch.

Theyalsowantedus___________moretimetogetherasafamily.So,now

theyletus______ourfavouriteactivitiesonSaturdays,butonSundays,wegoonafamilyoutingtogether!chat

(not)come

dolistenplayspendstaywatchtoplaynottocometostaywatchlistenchattospenddo用動詞不定式“toplay”作目的狀語decidenottodosth.決定不做某事liketodosth.喜歡做某事wantsb.todosth.想要某人做某事letsb.dosth.讓某人做某事4c.Completethepassagewiththeinfinitiveformsoftheverbsinthebox.Whatdoyouusuallydooutdoors?動詞后既可以用todo也可以用doingCHANT

兩個開始更喜歡

(start/begin/prefer)

愛憎分明要繼續(xù)，

(love/like/hate/continue)

后悔停止忘了記，(regret/stop/forget/remember)

努力嘗試有打算。

(try/mean)動詞后既可以用todo也可以用doingstart/beginstart/begintodostart/begindoingsth開始做......preferprefertodopreferdoingsth更喜歡做......preferlike/lovetodolike/lovedoingsth喜歡做......動詞后既可以用todo也可以用doinghatehatetodohatedoingsth討厭做......continuecontinuetodocontinuedoingsth繼續(xù)做......動詞后既可以用todo也可以用doingregretregrettodosthregretdoingsth遺憾要做...(未做)stopstoptodosthstopdoingsth停下來做......(未做)后悔做過...(已做)eg:MygrandfatherregretstovisitBeijing.(遺憾沒有去過。)Iregrettellingyouthenews.(后悔告訴對方這個消息)意思不同注意辨析停止做......(已做)eg:Istoptosing.(還沒開始唱。)Thelittlebabystoppedcrying.(已經(jīng)哭過了。)動詞后既可以用todo也可以用doingrememberremembertodosthrememberdoingsth記得去做...(未做)forgetforgettodosthforgetdoingsth忘記去做......(未做)記得做過...(已做)eg:Iremembertotellhimthenews.(沒有告訴。)Irememberseeingheronce.(記得見過她。)意思不同注意辨析忘記做過......(已做)eg:Iforgettodomyhomework.(作業(yè)沒做。)Jenny’sgrandmotherforgetsclosingthewindow.(已經(jīng)關(guān)了。)動詞后既可以用todo也可以用doingtrytrytodosthtrydoingsth努力做......meanmeantodosthmeandoingsth打算做......嘗試做...eg:IamalwaystryingtolearnEnglish.(我一直努力學(xué)習(xí)英語。)Marrystartstotrycooking.(瑪麗開始嘗試做飯。)意思不同注意辨析意味著......eg:Wemeantocallonyoutomorrow