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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