英语人教版八年级下册Grammar Focus 4a-4c.pptx

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1、Unit 9 Have you ever been to a museum?Grammar FocusGrammar Focus Tianmen Square天安门Birds Nest 鸟巢 Who is he?Do you know him?新知探究观察下列例句，总结句型结构1.I have been to a science museum.我去过科学博物馆2.He has been to a nature museum.我去过自然博物馆总结：have/has been to.意为_.现在_(在/不在)那里、3.Mary has just been to the Great Wall.玛丽去

2、过长城4.Ken has been to the Palace Museum once.肯去过故宫博物馆一次。5.I have been there twice.去过某地不在总结:have/has been to.可_等连用。6.Ive never been to a book market.7.Has he ever been to a library?3划出上面例句中的ever,never,观察并发现ever用在_句中，用来表示曾经。never用在_句中，表示从未肯定句否定句just,ever,never,once.twiceI have been to a science museum.

3、I have been there twice.划出have/has been to 后的词，并观察，have/has been to 后跟_词；have/has been 后跟_词，此处省去to.引申：1.如果想要表述“Tom去了某地”（现在不在说话的地方），又该怎么表达？名词或者代词地点副词观看例句Tom has gone to Beijing since two days ago.汤姆两天前去了北京。Tom has gone there for two days.汤姆去那两天。总结：想要表示去了某地，现在不在说话者的地方，主语不可能为第一，第二人称，主语为第三人称，用结构 have/ha

4、sgone to+地点（名词）have/has gone+地点（there,here,home）Who is he?Before he went to the western countryto fetch Confucians classics(经书)，where has he been?Mr.Brown has been in Shanghai for three years.布朗先生在上海已经待了三年了。How long have you been in this school?你在这个学校待了几年了？总结：Have/Has been in 表示持续的状态，表示在某地多长时间，说话是此人

5、还在哪里，常与since,for,howlong 等表示一段时间的状语连用。3.某人一直在某地待着多长时间了I当堂训练1.I _scared of dogs ever since a dog hurt mewhen I was five years old.A.will be B.was C.have D.would2.-Ben and Sue arent home,are they?-No.They _ London on business.A.have gone to B.go C.have been D.would move3.Sanya is a beautiful city.I have _there twice.A.have gone B.have been C.has gone D.have been to 4.I_ two years(我在这里待了两年了)have been here CAB