九年级英语Unit9SectonA1课件人教版新目标

1、in the pastfour ancient inventionscompassgun powdermoveable type printingpapernowadaysin the futureour human beings have invented many inventions. in unit 9, we will talk about the history of inventions.when was it invented ? a: what is the _ used for?b: it is used for _.watching the time(watch the

2、time)whats this ?when was it invented ?it was invented in 1927what are they used for?they are used for giving light.light bulbswhen were they invented?they were invented in .light bulbs1879a: what is the _ used for?b: it is used for _.(study and play games )studying playing games a: do you know when

3、 it was invented ?a: what is the _ used for?b: it is used for _.(count numbers )counting numbersa: when was it invented ? a: when was the _ invented?b: it was invented in _.pairwork (1c:p68)19761885187619271971who invented the car?_ invented the car.karl benz karl benzthe car_ _ by_.was invented him

4、 1885when was it invented ?was invented1885it_ _ in1971a: who was the telephone invented by?b: it was invented by_.a: when was it invented ?b: i think it was invented in _. alarm clock its an annoying invention.because it wakes me up when im sleeping. i think computer is the most helpful invention.

5、because it helpsme search the information that i need. high heelsadjustable heelsadjustable 可调整的可调整的ice cream scoop heat 加热加热scoopslippersa batterybatteriesoperate 操作操作who who werewere they they invented invented by?by?what what are are they they used forused for? ?adjustable 可调整的可调整的operate 操作操作 he

6、at 加热加热listeninglisten and number the inventions in the order that you hear.2a2a312inventionwho was it/were they invented by?what is is/are they used for?shoes with adjustable heelschelsea lanmonscooping really cold ice creambattery-operated slippers jayce coziar and jamie ellsworth seeing in the da

7、rkheated ice cream scoopjulie thompsonchanging the style of the shoeslisten again and fill in the blanks with the words you hear.2ba: what are those ?b: they are battery operated slippers.a: _ are they used for ?what b: they _ _ for seeing in the dark.a: thats cool! _ were they invented _?b: julie t

8、hompson. and look at this heated _ _ _.a: i know what its for. its used for _ out really cold ice cream. are usedwho by coldicecreamscoopingb: right. it _ _ by chelsea a: my favorite are those shoes with _ heels. you know you can move the heels _and_updown.they were invented _ jayce coziarand jamie

9、ellsworth.wasinventedadjustablebyb: and what are they used for?a: well, you can change the _ of your shoes. you can _the shoes go from casual to dressy.lanmonstylemakeshoes with adjustable heelswhat are they?who were they invented by?jayce coziar and jamie ellsworthchanging the style of the shoes.wh

10、at are they used for?practice:battery-operated slippersjulie thompsonseeing in the darkwhat are they?who were they invented by?what are they used for?heated ice cream scoopchelsea lanmonscooping cold ice creamwhat is it?who was it invented by?what is it used for?用用“invented” 或或 “used for”填空填空.1. wha

11、t are electric slippers _?2. who were shoes with adjustable heels _ by?3. when was tea _?4. what are microwave ovens _?5. when were potato chips _?used forinventedused forinventedinventeda: look! this looks so interesting! b: ah, its a great invention of china.a: really? when _ it _?b: i think it _

12、_ in han dynasty. (汉朝汉朝)a: what _ it _ for?b: guess!a: _ it _ for holding water?b: no. it _ _ for testing earthquakes.a: wow, its really amazing! wasinventedwas inventedisusedisusedisusedabacusin the six centurychinesecalculatingwhat telescopewhen 1609who galileouse watching stars（the passive voice)

13、.主动语态与被动语态主动语态与被动语态： 英语动词有两种语态英语动词有两种语态, ,即主动语态即主动语态(the active (the active voice)voice)与被动语态（与被动语态（the passive voice)the passive voice)。主动语态表示主语是动作的执行者主动语态表示主语是动作的执行者; ;被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。 e.g. 1.they make trains in zhuzhou . trains are made in zhuzhou. 2.the farmers grow cotton every

14、year. cotton is grown by the farmers every year. 主动语态主动语态被动语态被动语态主动语态主动语态被动语态被动语态一般现在时一般现在时 am / is / are + done一般过去时一般过去时 was / were + done一般将来时一般将来时 shall / will + be + done过去将来时过去将来时 would / should + be done 现在进行时现在进行时 am / is / are + being+ done 过去进行时过去进行时 was / were + being done 现在完成时现在完成时 have

15、 / has + been + done过去完成时过去完成时 had + been + done情态动词情态动词be + done 结构：助动词结构：助动词be +动词动词的过去分词的过去分词(done)by many students.1.many students study english.english is studied2.they make shoes in that factory.shoes are madeby themin that factory.by the teacher.heis asked questions1. 找宾语找宾语 -即动作的承受者即动作的承受者th

16、ey make shoes in that factory. shoes2. 判断宾语的单复数判断宾语的单复数 -即即be动词的单复数动词的单复数.are made3. 判断动词的时态判断动词的时态 -即即be动词的时态动词的时态.4. 修改谓语的形式修改谓语的形式 -即原句动词改为过去分词即原句动词改为过去分词 5. 修改原句的主语修改原句的主语 -即即by+ 宾语（原主语）宾语（原主语）. by them.主变被解题步骤主变被解题步骤主变宾主变宾, ,宾变主宾变主, , 谓动谓动be done be done 时不变时不变, ,人称、数、格随着变人称、数、格随着变变被动语态时需要注意的事项

17、变被动语态时需要注意的事项 一变一变 二套二套 三注意三注意宾变主，宾变主，主变宾，宾语前面主变宾，宾语前面byby跟，谓语动词变过分，不忘前跟，谓语动词变过分，不忘前面面bebe动词跟动词跟套时态，主被动时态一致套时态，主被动时态一致注意因人称的变化而引起的注意因人称的变化而引起的主谓一致问题。主谓一致问题。各种时态的被动语态的构成：各种时态的被动语态的构成： 1.一般现在时态一般现在时态 am, is, are +过去分词过去分词 2.一般过去时态一般过去时态 was, were +过去分词过去分词 3.一般将来时态一般将来时态 will/am.is.are going to + be +

18、过去分词过去分词4.过去将来时态过去将来时态 would/was.were going to + be + 过去分词过去分词 5.现在完成时态现在完成时态 have, has + been +过去分词过去分词 6.过去完成时态过去完成时态 had + been +过去分词过去分词 7.现在进行时态现在进行时态 am, is, are + being +过去分词过去分词 8.过去进行时态过去进行时态 was, were + being +过去分词过去分词 9.9.含情态动词的含情态动词的 情态动词情态动词 + + be + +过去分词过去分词所有时态的被动语态否定就是在所有时态的被动语态否定就是

19、在 最前面的助动词后加最前面的助动词后加 notnot疑问就是把疑问就是把最前面的助动词提前最前面的助动词提前。many trees are not being planted noware many trees being planted now?把下列的句子变为被动语态的句子：把下列的句子变为被动语态的句子：1、they speak english in canada .2、people used wood for making tables. 3、they are making computers in the usa.english is spoken in canada(by the

20、m).wood was used for making tables.computers are being made in the usa.把被动句变否定把被动句变否定computers arent being made in the usa.4、they have grown rice in south china.5. we must plant more trees next year. 6.i am going to clean our classroom tomorrow.more trees must be planted next year.our classroom is g

21、oing to be cleaned tomorrow.rice has been grown in south china.把被动句变疑问把被动句变疑问. .has rice been grown in south china？变被动语态的特殊情况变被动语态的特殊情况 一、双宾语一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth =give sth to sb1.my father bought me a computer.a computer was bought for me by my father.i was bought a co

22、mputer by my father.2.he gives me a book.a book is given to me by him.i am given a book by himsth+be+ 过去分词过去分词+ for/to sb+ by sb.sb + be+ 过去分词过去分词 sth + by sb二、无二、无toto不定式不定式 一感一感 二听二听 三让三让 四看四看feellisten to.hearlet.have.makewatch. see.look at. notice变为被动时加上变为被动时加上toeg. we often see him play basketball.he is often seen to play basketball by us.the boss made the children work for long.the children were made to workwere made to work for long