4、______自主学习:1.发明(invent)2.发明者(inventor)3.发明物(invention)4.电话(telephone)5.电脑(computer)6.被某人发明(beinventedby)7.is(过去式)(was)8.are(过去式)(were)9.1876(eighteenseventy-six)10.buy(过分)(bought)11use(过分)(used)12.intent(过分)(invented)was / were + 动词的过去分词5.观察,分析,总结:1.Chineseisspokenbymoreandmore
5、peopleintheworldnow.2.Treesareplantedhereeveryyear,andwecanenjoyfresherairnow.一般现在时的被动语态结构:am / is / are + 动词的过去分词。3.Itwas inventedin 1876.4.Parentswereinvitedtotheschoolconcertlastnight.一般过去时的被动语态结构:四:达标检测:一、单项选择()1.Pensareusedfor___onpaper.A.writeB.writingC.towriteB()2.Itwasi
7、hecomputerusedfor?三、补全对话A: Hi, Helen! Come and have a look.This pen is so nice.B: Whenwasitinvented?A: It was invented in 2009.B: _Whowasitinventedby?A:Itwasinventedby Liu Mingxi. She is a great inventor.B: Whatisitusedfor?A: It’s used for memorizing words, just like our brain
8、s(大脑)B: Oh,it’s really a great invention, isn’t it?B: