betodosth的幾種用法

1、be+todosth.的用法1 ,表小按計劃或安排要做的事。例如：Whenareyoutoleaveforhome你什么時候回家Sheistobemarriednextmonth.她將于下個月結(jié)婚。TheQueenistovisitJapaninaweek'stime.女王將于一周后訪問日本。這種結(jié)構(gòu)也可用于過去。was/weretodosth.表示曾經(jīng)計劃要做的事，但不表明計劃是否被執(zhí)行，或表示“命運（即命中注定要發(fā)生的事）工而非計戈IJ;was/weretohavedonesth.表示未曾實現(xiàn)的計劃。例如：IfeltnervousbecauseIwassoontoleavehome

2、forthefirsttime.我/感至lj很緊張，因為我很快就要首次離開家了。Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.彳也們告了別,不知道以后再也不會見面了。Weweretohavetoldyou,butyouwerenotin.我們本來想告訴你的，但是你不在家。2 .表示“應(yīng)該"，相當(dāng)于should,oughtto。例如：Youaretoreporttothepolice.你應(yīng)該報警。Whatistobedone應(yīng)該怎么辦呢3,表示“必須”，當(dāng)于must,havetoo例如：Theletteristobe

3、handedtohiminperson.這封信必須親手交給他。YouaretodoyourhomeworkbeforeyouwatchTV.看電視之前你得先做完作業(yè)。4,表示“想，打算”，相當(dāng)于intend,want。例如：Ifwearetobetherebeforeten,wellhavetogonow.如果我們要在十點前到,我們現(xiàn)在就得走。5 .用廣第一人稱疑問句,表小征求對方益見。例如：AmItogoonwiththework要我繼續(xù)完成這項工作嗎Whatarewetodonext我們下一步該怎么辦6川于否定句，公小“禁止”，相當(dāng)于mustn't。例如：Thebooksinthi

4、sroomarenottobetakenoutside,這個室內(nèi)的書籍不得帶出室外。Youarenottosmokeinthereading-room.你不可以在閱覽室里吸煙。7 .小“可以，可能"，相當(dāng)于may,can。例如：Thenewsistobefoundintheeveningpaper.這條消息可以在晚報上見到。Suchpeoplearetobefoundeverywhere.這種人至lj處都有。Sheisnowheretobefound.在哪里也找不著她。todosth.用丁if或evenif/eventhough從句中,表示對未來的假設(shè)。例如：IfIweretotel

5、lyouthatIkilledhim,wouldyoubelieveme要是我告訴你是我殺了他，你會相信嗎Evenifthesunweretoriseinthewest,Iwouldneverdosuchathing.即使太陽從西邊出來，我也決不做這種事。toblame（該受責(zé)備，對某壞事應(yīng)負(fù)責(zé)任）與betolet（待出租）兩種結(jié)構(gòu)中，用不定式的主動形式表示被動含義。例如:Whichdriveristoblamefortheaccident這事故是哪個司機的責(zé)任Thishouseistolet.這房子要出租。Exercise1. Wehavebeenlookingfortheboyallthe

6、afternoonbutheisnowhere.A.toseeB.seeingC.seenD.tobeseen2. Asearlyashissecondfilm,Chaplinhaddevelopedhisownmannerofacting,theonethatworldfamous.A.wouldbecomeB.becameC.wastobecomeD.hadbecome3-WejustsawJohnatthebookstore.-That'sstrange;Ididn'tthinkhebackuntiltomorrow.A.willcomeB.wastocomeC.isco

7、mingD.istocome4. ThefinalexaminationearlyJuly.A.istobeheldB.istobetakenplaceC.isgoingtoholdD.willbetotakeplace5. Ifthesuntomorrow,whatwouldwedoA.werenottoraiseB.doesnotriseC.wouldnotriseD.werenottorise6. Anewhospitalwastointhisdistrict,butthemoneywasn'tcollectedyet.A.havebeenbuiltB.bebuiltC.buil

8、tD.havebuilt7. Lookattheseclouds.A.It'sgoingtorainB.It'srainingC.ItistorainD.Itcanrain8. Whodoyouthinkforthefailureoftheirmarriage.A.toblameB.tobeblameC.istoblameD.istobeblamed9. Neitheryounorhetothefront.A.aretobesentB.istobesentC.havetobesentD.istosend10. Itobedwhentherewasaknockatthedoor.A. wentB.amgoingtoC.wastogoD.wasabouttogoweagainnextweek-Yes,let*smakeitnextWednesday.A.Are;t