M5Grammar情態(tài)動(dòng)詞.ppt

Module5ATripAlongtheThreeGorges Grammar Revisionofmodalverbs 情態(tài)動(dòng)詞 一 特征1 情態(tài)動(dòng)詞本身有詞義 表示說話人的語(yǔ)氣或情態(tài) 但詞義不完全 不能單獨(dú)作謂語(yǔ)動(dòng)詞 只能和不帶to的動(dòng)詞不定式 即動(dòng)詞原型 ought等除外 一起構(gòu)成謂語(yǔ)動(dòng)詞 2 情態(tài)動(dòng)詞所表示的情態(tài)有 命令 允許 請(qǐng)求 拒絕 愿望 愿意 義務(wù) 必要 可能 敢于 需要等 形式變化 1 情態(tài)動(dòng)詞沒有人稱和數(shù)的變化 第三人稱單數(shù)的現(xiàn)在時(shí)也無變化 2 有些情態(tài)動(dòng)詞有過去式 有的過去式和它的原型相同 如 can could shall should 情態(tài)動(dòng)詞的種類 情態(tài)動(dòng)詞分為三種情況 1 只用作情態(tài)動(dòng)詞的有 must can could may might oughtto beableto2 既可作情態(tài)動(dòng)詞又可作實(shí)義動(dòng)詞的有 need dare have hadto usedto 基本用法 can could 一般或永久的 能力 表可能性 肯定句中表示理論上的可能性 還可以表示偶然的可能性 Childrencanbetiresomesometimes 表示請(qǐng)求或允許 表推測(cè) 不信任 驚異 懷疑 用于否定句或疑問句 can beableto beableto表示經(jīng)過努力或克服困難最終完成某事 managedtodo 有多種時(shí)態(tài) will表示 意愿 意圖 用于各種人稱 表向?qū)Ψ教岢稣?qǐng)示或詢問 用于疑問句中第二人稱 will表示現(xiàn)在的習(xí)慣動(dòng)作或狀態(tài) would表過去的習(xí)慣 老是 總是 will表客觀規(guī)律Tomorrowwillbemybirthday 2 will would would usedtodo usedtodo既可表過去的習(xí)慣性動(dòng)作又可表狀態(tài) Lifeinthe21stcenturyismucheasierthanitusedtobe 3 may might 表示 允許 或 請(qǐng)求 表示可能性 不太把握的推測(cè) 或許 可能 may表祝愿 must 必須 表主觀看法 haveto 不得不 表客觀需要 must表示說話人對(duì)事物的肯定推測(cè) 一定 或 準(zhǔn)是 僅用于肯定句中 must偏要 非要 用于條件句或疑問句中 Mustn t表禁止 意為 不能 不許 4 must haveto shall在疑問句中 第一或第三人稱 表示征求對(duì)方的意見或看法 shall陳述句中 第二和第三人稱 表示 命令 警告 許諾 威脅 強(qiáng)制 等 shall用于宣布法律 規(guī)定的要求 should表按常規(guī)或常理推測(cè) 應(yīng)該 should表示對(duì)某事感到意外 驚異 不滿 竟然 竟會(huì) 5 shall should should表示 勸告 建議 譯為 應(yīng)當(dāng) 6 oughtto 表示 有義務(wù)或必要 做某事 表示勸告 7 need需要8 dare敢 歸納 1 表推測(cè)must should oughtto can could may might2 否定推測(cè) can t couldn t maynot mightnot3 表許可征詢意見 can will could may would shall might 1 Aleft luggageofficeisaplacewherebags beleftforashorttime especiallyatarailwaystation A shouldB canC mustD will B Morepractice 2 How yousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlypartofthearticle A canB mustC needD may A 3 Theroomissodirty wecleanit Ofcourse A WillB ShallC WouldD Do4 MyEnglish Chinesedictionaryhasdisappeared Who havetakenit A shouldB mustC couldD would B C 5 Ithasbeenannouncedthatcandidates remainintheirseatsuntilallthepaperhavebeencollected A canB willC mayD shall6 Youcan timaginethatawell behavedgentlemen besorudetoalady A mightB needC shouldD would D C 9 Iwasreallyanxiousaboutyou You homewithoutaword A mustn tleaveB shouldn thaveleftC couldn thaveleftD needn tleave B 10 Youcan timaginethatawell behavedgentlemen besorudetoalady A mightB needC shouldD would C 11 Writetomewhenyougethome A ImustB IshouldC IwillD Ican C 12 Mr Bushisontimeforeverything How itbethathewaslatefortheopeningceremony A canB shouldC mayD must A 13 AreyoucomingtoJeff sparty I mnotsure I gototheconcertinstead A mustB wouldC shouldD might14 MysistermethimattheGrandTheatreyesterdayafternoon sohe yourlecture A couldn thaveattendedB needn thaveattendedC mustn thaveattendedD shouldn thaveattended D A 15 Therewasalotoffunatyesterday sparty You come butwhydidn tyou A musthaveB shouldC needhaveD oughttohave D 16 Whenhewasthere he gotothatcoffeeshopatthecornerafterworkeveryday A wouldB shouldC hadbetterD might A 17 Michael beapoliceman forheismuchtooshort A needn tB can tC shouldD may B 高考鏈接 1 Pityyoumissedthelectureonnuclearpollution Iit butIwasbusypreparingforajobinterview 2011福建 A attendedB hadattendedC wouldattendD wouldhaveattended D 2 ShallIinformhimofthechangeoftheschedulerightnow Iamafraidyou incasehecomeslateforthemeeting 2011福建 A willB mustC mayD can B 3 Noone becomparedwithYaoMinginplayingbasketball Oh youarereallyhisbigfan 2011