M5Unit1GrammarTodoliethatisfoolishIwanttoseeyouthiseveningAllyouhavetodoistofinishitquiclyWefoundahousetoliveinShecameheretostudyEnglishIwarnedthepatientnottoeatcoldwateraftertheoperation主語賓語表語定語狀語賓補Step4不定式的用法作主語______________isourduty___________________isright=Itisrighttogiveuoing1幫助你是我們的職責。2放棄吸煙是對的。不定式短語作主語時，如果主語如果太長，常用it作形式主語，真正的不定式主語后置。TohelpyouTogiveuoing作主語。一般用不定式做主語的句型Itbeadj/nforsbtodosth/ofsbtodosthIttaesbtimetodosthItcostsbmoneytodosth動詞不定式作賓語動詞todo動詞疑問詞todo動詞（thin,consider,mae,believe等it賓補todo常見動詞有afford,agree,arrange,as,decide,demand,anage,offer,ise,refuse,wish,prefer,happen,intend,fail等Idon’tnowwhattodoIfinditimportanttolearnEnglish返回主頁決定想做計劃需要同意，能做被用來做的事decidetodosth決定做某事want∕wouldlietodosth想做某事plantodosth計劃做某needtodosth需要做某事agreetodosth同意做某事affordtodo能做某事beusedtodo被用來做迫不及待下決心做過去常常未能做的事can’twaittodo迫不及待地要做某事maeuindtodo下決心做某事usedtodo過去常常做某事failtodo未能做某事動詞不定式作賓補動詞+賓語+todo

動詞+賓語+doLiMeiasedmetoshowherthenewdictionary注：有以上結構的常用動詞有tellwish,as,want,lie,beg,invite,warn,allow,encourage,advise等。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,mae,let返回主頁在feel,hear,listento,looat,notice,observe,see,watch,have,let,mae等詞后的補足語中，不定式不帶to。但是這些句子如果變成被動結構時，就必須帶to。EgIoftenhearhimsingthesongHeisoftenheard________thesong注意allow,as,advise,encourage,eit,persuade,teach,tell,want,warn,wish▲構成“VSbtodo”的形式tosing賓補請求與命令assbtodosth請求某人做某事tellsbtodosth命令某人做某事想要邀請期待鼓勵與建議wantsbtodosth想要某人做某事invitesbtodosth邀請某人做某事epectsbtodosth期待某人做某事encouragesbtodosth鼓勵某人做某事advisesbtodosth建議某人做某事答應告誡允許提醒和幫助isesbtodo答應某人做某事warnsbnottodosth告誡某人做某事allowsbtodosth允許某人做某事remindsbtodosth提醒某人做某事helpsbtodosth幫助某人做某事作表語Myjobis_______________Toseeis___________1我的工作是教英語。2眼見為實。toteachEnglishtobelieve作定語（必須后置）1Bettywasthefirst/thelasttocometoschool2We‘llattendthemeetingtobeheldnetwee3IhaveachildtolooafterathomeDoyouhaveanythingtosayIt’sagoodschooltostudyin具有邏輯上的主謂動賓關系）作狀語Hestootiredtowalanyfurthertonight目的狀語原因狀語結果狀語1他回家去取鑰匙2我說了什么話使你不高興3贏了這場足球賽,我們感到自豪Hewenthome_____hiseyWhathaveIsaid______youhappyWeareatchtogettomaetohavewon目的狀語原因狀語結果狀語Consolidationp20注意：在學習動詞不定式的時候還有兩點要注意哦！1、在感官動詞和使役動詞后作賓補時，不定式要省略to,但以上詞變為被動語態時，要加上to,如IalwayssawherplayviolinHewasmadetowor12hoursaday返回主頁step5不帶to的情況:使役動詞和感官動詞后：一感二聽三讓四看feel/hear,listento/let,mae,have,/looat,see,watch,notice注意：被動態中不能省hadbetternot,wouldrather,wouldrather…than,cannotbut（不得不，必然，不能不）,whynot/whydon’tyoudosth為什么不做…helpsb（to）dosthstep7不帶to的情況:在介詞but,eceatelegram不定式and,or,but,ratherthan等表示并列關系的第二個to省略,表示相反關系,對比的不省略第二個toI’dlietogoandseeafilmTheydidn’ttellmewhethertogoonortostopDoyouwanttogoshoppingorwatchTVIdecidedtowriteratherthanread區分下列詞組:seesbdoing/dosthhearsbdoing/dosthwatchsbdoing/dosthnoticesbdoing/dosth感官動詞see,watch,looat,notice,hear,listento,feeldo表示動作的完整性，doing表示動作的進行性。注意：被動語態中不能省去to。牛刀小試1

Mymotheroftenassme_____somecleaningonSundaysAdoBdoesCdidDtodo2

–DoyouoftenhearJohn_____inhisroom–Listen!Nowwecanhearhim____inhisroom,tosingBsing,singCsing,singingDtosing,singing’s______swimmingaftertheeamBgoesCtogoDwent4

You’dbetter_______abuscatchBcatchCcatchesDcatching本節課重點提要1不定式的基本形式和否定形式2不定式的時態和語態3不定式的復合結構4不定式的基本用法5不定式中常見的主動表被動6不定式的省略，保留符號to7不帶to的不定式TheyadvisedmetogiveuoingTheyadvisedme_______________smoingHeisedtotaecareoftheised_______________thepoorStep1基本形式和否定形式肯定式:todo否定式:nottodonottogiveupnottotaecareof動詞不定式的時態和語態Io㈠一般式todo/tobedone不定式的一般式所表示的動作（狀態）同時（或幾乎同時）發生，或之后發生。Step2不定式的語態22不定式的被動形式tobedone通常表示不定式的邏輯主語是其所表示的動作承受者。Eamveryhappytobepraised受到如此褒獎我非常高興注：tobepraised的動作承受者是I㈡進行式tobedoingTheyseemedtobetalingaboutsomethingsecretwhenIcamein如果謂語表示的動作（情況）發生時，不定式所表示的動作正在進行。㈢完成式（tohavedone/tohavebeendone2I’mpleasedtohavebeengiventhischance1YouseemedtohavereadthenovelwrittenbyMrSmith如果不定式的動作發生在謂語之前。如果不定式的邏輯主語是不定式所表示的動作的承受者，不定式要用被動形式不定式的時態形式（3）3不定式的完成式tohavedone表示的動作一般發生在謂語動詞之前Eample:Youappeartohavetravelledquitealot你似乎已經旅行過很多次）注：tohavetravelled發生在appear之前，在他看起來是這樣之前，他就已經旅行過很多次了語態時態主動語態被動語態一般時

進行時完成時

小結todotobedonetobedoing/tohavedonetohavebeendoneSummary不定式todo時態語態todotobedoingtohavedone主動todo被動tobedone練習Hello!It’sgood