情态动词的特殊用法.ppt

《情态动词的特殊用法.ppt》由会员上传分享，免费在线阅读，更多相关内容在PPT专区-天天文库。

1、1.can,could,beabletoHewasabletogotothepartyyesterdayeveningandheenjoyedhimselfverymuch.Hedidn’tagreewithmeatfirstbutIwasabletopersuadehim.注：beableto=managetodo/succeedindoing设法做成某事，与can不同。Exe.1Thecarfellintotheditch,butthedriver________getoutofit.Thedriver_

2、_____getoutofhiscarquicklyiftherewasanaccident.Theship_______gettoAntarcticainspiteofthebadweather.Theship_____gettoanyportintheworld.wasabletocouldwasabletocouldSARScanbeverydangerous.Hecanbeveryfriendlyattimes.Theroadcanbeblocked.Ourhouseisonthetopofthehi

3、ll,andinwinterthewindscanbeprettycold.注：canbe用于推测某人或某物一时的情况。意为“有时候会……”2.May,might*Youmayaswellgivehimtheletter.*Youmightaswellstayathometonight.注=hadbetter最好，用于提出建议。*Youmightaswellthrowthemoneyawayaslendittohim.*Onemayaswellnotknowathingatallasknowitbutimpe

4、rfectly.注：may/mightaswelldoAasdoB意为”与其做B，不如做A。Ifyoumustsmoke,atleaseyouuseanashtray.Ifyoumustknow,I’mgoingtohelphimlookforanapartment.Whymustyoubuythatcar?WhymustitalwaysrainonSaturday?Janewasneverapleasantyounggirl.Afteryougaveheryouradvice,shemustgoanddot

5、heopposite.Thecarmustbreakdownjustwewerestartingourholiday.*注：意为：偏要，硬要。指不耐烦或令人不愉快的事，或表示固执。Must的否定形式Itmustbeeleveno’clocknow.It__________eleveno’clocknow.Youmusthavemethimbefore.You_______________himbefore.注：表推测，其否定为不可能：cannotcannotbecannothavemetMust的否定形式We

6、mustgetupatsixtomorrowmorning.We__________getupatsixtomorrowmorning.We______________getupatsixtomorrowmorning.注：表必须，其否定应表示不必：neednotdo或don’thavetodoneednotdon’thavetoMust的否定形式Youmustparkyourcarhere.You________parkyourcarhere.注：表强制或义务，其否定应表示禁止：mustnotdomustn

7、otMustwecleanalltherooms?Yes,you_________.No,you____________.No,you____________.mustneednotdon’thavetoshouldIfinditquiteastonishingthatheshouldbesorudetoyou.Itisapitythatyoushouldbesocareless.I’msurprisedthatsheshouldhavedonesuchathing.Youcan’timaginethataw

8、ell-behavedgentlemanshouldbesorudetoalady.注：表惊讶，忧虑，惋惜等情绪，意为‘竟会，竟然’shouldHowshouldIknow?Whyshouldhepublishsuchabook?Whoshouldwriteitbuthimself?注：在疑问句中，常与how,why,who等连用，表示不合理，难于相信或不应该之事。shallYoushallfail