新编英语语法教程(第6版)第18讲 练习参考答案.doc

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1、新编英语语法教程（第6版）第18讲练习参考答案Ex.18Aa)          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…1

2、7.Wehadto…18.Iwasn’tto…19.Hesaidyouweren’tto…20.Wehadto…Ex.18B1.   Hemaybedoinghishomework.2.  Shemayhaveforgottentocallmeback.3.   Couldyoulendme5poundsuntiltomorrow?4.   IwonderifIcouldleavenow.5.    Itmightrainthisevening.6.  OldTommighthaveleftSanDiego.7.  Ifitshouldraintomorrow,thefootballm

3、atchwouldbeputoff.8.   Youshoulddoashesays.9.    Ifyoushouldchangeyourmind,pleaseletmeknow.10. I’msurprisedthatheshouldhaveanaccident.11. ShallIgowithyou?12. Youshan’tanswerherbackagain.13. Youmustn’tviolatethetrafficregulationsagain.14. Hemusthavegotlostinthemountains.15. Youneedn’tgoandseehim.

4、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’tbotherh

5、im.Hewillhaveheardthenews.25. Alionwillattackpeopleonlywhenhungry.26. Whatwillyoudoaftergraduation?27. Maryoughttobehomebynow.28. Yououghtn’ttohaveboughtanewcar.29. HeusedtoworkinShanghai,butnowheisnowheretobefound.30. Howdareyousaythatinthepresenceoftheprincipal?