新编英语语法教程 第17讲 练习参考答案 4页

新编英语语法教程第17讲练习参考答案 Ex.17A 1.cantype  2.cananswer  3.couldneverunderstand  4.couldsolve  5.(Whatyousay)mightbe  6.ShallIopen…?  7.willcome  8.Wouldyouhave…?  9.willput  10.willsit  11.wouldhit  12.souldsit  13.Youshouldread  14.Wemustread  15.Youmustnotsmoke  16.Canyoudo  17.Shouldwewait?  18.Weneednotattend  19.Thatwillbe  20.thatmustbe Ex.17B a)           1.needn’t(=don’thaveto,don’tneedto,haven’tgotto)2.won’thaveto3.didn’thaveto(=didn’tneedto)4.needn’t5.didn’thaveto6.didn’thaveto7.needn’t8.needn’t9.won’thaveto10.needn’tb)11.Youhadto…12.Hewasn’tto…13.Hewasn’tto…14.Youhadto…15.HesaidIwasn’tto…16.Theyhadto..17.Wehadto…18.Iwasn’tto…19.Hesaidyouweren’tto… 20.Wehadto… Ex.17C 1.should  2.should  3.Would,should  4.would  5.should  6.would  7.should,would  8.should  9.should  10.would,would  11.should  12.would,would  13.should  14.would,would  15.should  16.should  17.Should  18.would,should  19.would  20.should,should/would  Ex.17D 1.     Hemaybedoinghishomework.2.     Shemayhaveforgottentocallmeback.3.     Couldyoulendme5poundsuntiltomorrow?4.     IwonderifIcouldleavenow.5.     Itmightrainthisevening.6.     OldTommighthaveleftSanDiego.7.     Ifitshouldraintomorrow,thefootballmatchwouldbeputoff.8.     Youshoulddoashesays.9.     Ifyoushouldchangeyourmind,pleaseletmeknow.10. I’msurprisedthatheshouldhaveanaccident.11. ShallIgowithyou?12. Youshan’tanswerherbackagain.13. Youmustn’tviolatethetrafficregulationsagain.14. Hemusthavegotlostinthemountains.15. Youneedn’tgoandseehim.16. Youneedn’thavewrittentoher.17. Youshouldhavehelpedher.18. Ifyouwouldchangethiscar,Ishouldbeverygrateful.19. Wouldyoumindshuttingthedoor?20. Sheshouldn’thaveboughtthathouse. 21. It’soddthatsheshouldsaythat.22. Don’tcallhim.He’llbetakinganap.23. Don’twritetohim.Hewon’tbehomenow.24. Don’tbotherhim.Hewillhaveheardthenews.25. Alionwillattackpeopleonlywhenhungry.26. Whatwillyoudoaftergraduation?27. Maryoughttobehomebynow.28. Yououghtn’ttohaveboughtanewcar.29. HeusedtoworkinShanghai,butnowheisnowheretobefound.30. Howdareyousaythatinthepresenceoftheprincipal? Ex.17E 1.     HemaybeworkingforSimons.2.     HemayhavebeenworkingforSimons.3.     Hemayberetiringnextyear.4.     Hewon’tbeworkingnow.5.     He’llhavehearditbynow.6.     Theymayhavebeenwonderingwhattodo.7.     Hecan’thavelostit.8.     Theymustbewaiting.9.     Thatmightbetrue.10. Sheshouldbehomebynow.11. Shemayhaveleftitathome.12. Imayhavebeenmistaken.13. Youmusthavebeendisappointed.14. Shewon’thaveheardthenewsyet.15. Theremusthavebeenamistake.16. Hewon’tbethere.17. Hecan’tbethere. 18. Hecouldn’thavemadethatmistake.19. Willthisbetheoneyouwant?20. Youwillhavebeenwonderingallthistimehowitworks. Ex.17F 1.may  2.mighthave  3.mayhave  4.possibly  5.possible  6.perhaps  7.might  8.can  9.mayhavehad  10.could  11.mightbe