《M1-Grammarppt -外研版选修6课件.ppt》由会员分享，可在线阅读，更多相关《M1-Grammarppt -外研版选修6课件.ppt（15页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、(Module 1)Grammar外研版外研版 高二高二（上）（上）Read the sentence from the listening passage and answer the questions.You neednt have spoken so slowly.1.Who said this,the tourist or the English person?The tourist.2.Why did she say it?A.The other person was speaking too quickly.B.The other person was speaking too
2、slowly.C.The other person was speaking slowly and it wasnt necessary.“didnt need to do”和和”neednt have done”的异同的异同didnt need to do表示：表示：过去不必做某事过去不必做某事,事实上也没做。事实上也没做。Neednt have done表示：表示：过去不必做某事过去不必做某事,但事实上做了。但事实上做了。John went to the station with the car to meet Mary,so she didnt need to walk back hom
3、e.约约翰开车去车站接玛丽，所以她不必步行回家了。翰开车去车站接玛丽，所以她不必步行回家了。neednt have done表示：表示：过去不必做某事过去不必做某事,但事实上做了。但事实上做了。There was plenty of time.She _.A.mustnt have hurried B.couldnt have hurriedC.must not hurry D.neednt have hurried 选择选择D D。neednt have done.neednt have done.意为意为 本不必本不必，即已经做了某事，而时实际上不必要。即已经做了某事，而时实际上不必要。m
4、ustnt have done mustnt have done 用法不正确，对过去发用法不正确，对过去发生的事情进行否定性推断应为生的事情进行否定性推断应为couldnt have couldnt have done,done,不可能已经不可能已经。must not must not do do 不可以（用于一般现在时）。不可以（用于一般现在时）。Group workRewrite these sentences using neednt have done.1.It wasnt necessary for you to bring some flowers!You neednt have
5、brought some flowers.2.Thank you for tidying the roombut it wasnt necessary.You neednt have tidied the room.3.There was no need for you to buy the box of chocolates.You neednt have bought the box of chocolates.4.Why did you go to school?Its Sunday!You neednt have gone to school.Its Sunday!5.Thank yo
6、u for bringing the book to show me,but I already have it.You neednt have brought the book to show me.I already have it.Complete the sentences using didnt need to or neednt have done.Example:It was an informal party so I didnt need to wear(wear)a suit.1.We brought some food to the party but there was
7、 too much,so we _(bring)any.2.My friend spoke good Mandarin so I _(translate)the speech for him.didnt need to translateneednt have brought3.The office had already opened when we arrived so we _(wait)outside in the street.4.I got to the party at 6 p.m.but there was no one there,so I _(arrive)so early.5.I told the host all about my home town and then he told me hed been there.I _(tell)him anything!didnt need to waitneednt have arrivedneednt have told