Unit3LanguageinuseModule5MuseumsObjectives:Tosummarizeandconsolidatetheuseofimperativesentencesandadverbialclause:if…do1.Noshouting!2.Don’tcrossthatrope!3.Don’tberude!4.IfyouevergotoLondon,makesureyouvisittheScienceMuseum.5.Noentry.6.Nophotos.Observethefollowingexamplescarefully.Theyareallfromthismodule.1.No_________(shout)!2.___________(notcross)thatrope!3.___________(notbe)rude!4.IfyouevergotoLondon,____________(makesure)youvisittheScienceMuseum.5.No________(entry).6.No________(photo).shoutingDon’tcrossDon’tbemakesureentryphotos本单元涉及到的语法内容：1.if引导的条件状语从句2.“禁止做某事”的结构if引导的条件状语从句Ⅰ.结构：if从句+祈使句Ifyouwanttogo,pleasetellme.如果你想去的话，请告诉我一声。Ifyouwanttoknowmoreaboutit,callnow.如果你想了解更多内容，现在就打电话吧。Ifyouwanttoknowwhattosee,lookattheguide.如果你想知道有什么可看的，就读一下指南吧。IfyouevergotoLondon,makesureyouvisittheScienceMuseum.如果你去伦敦，一定要去参观科学博物馆。这个句子可以改写为：MakesureyouvisittheScienceMuseumifyouevergotoLondon.Ⅱ.位置：if从句可以放在主句之前，也可放在主句之后。if从句主句if从句主句Ⅲ.用法：“if从句+祈使句”这种结构用来表达建议。例如：如果对方生病了，你建议他去看医生可以说：Ifyoudonotfeelwell,pleasegotoseethedoctor.你如果感觉不舒服，就去看医生吧。表示“禁止做某事”的结构：Ⅰ.No+动名词Nosmoking.禁止吸烟。Noshouting.请勿喧哗。Ⅱ.No+名词Nophotos.请勿拍照。Ⅲ.祈使句Don’ttouch.请勿触摸。Keepclearofthedoor.请勿靠近门。Youmustn’ttakephotographsoftheexhibitsinmuseums.在博物馆里不得给展品拍照。Inmostmuseumsyoucan’tmakeanynoise.在大多数博物馆里禁止喧哗。Ⅳ.Youmustn’t/can’t…Ⅴ.Youaren’tallowedto…Youarenotallowedtotouchtheexhibits.不要触摸展品。11P38Matchthesignswiththerules.1Noswimming.2Nofootball.3Norightturn.4Noparking.5Nolittering.6Nofoodanddrinks.22P38Lookatthesignsandwritetherules.④③②①________________________________________________Donottouch.Nosmoking.Nophotos.Noentry.33P39Completethesentenceswiththecorrectformofthewordsinbrackets.1.Ifyou_______(want)toseeol...
