When-was-it-invented市公開(kāi)課一等獎(jiǎng)?wù)n件名師大賽獲獎(jiǎng)?wù)n件

九年級(jí)新目的Unit9Whenwasitinvented?SectionA(1a-1c)尹立

1900年讀作

eighteenOnine

1865年讀作eighteensixty-five1998年讀作nineteenninety-eightnineteenhundred1809年讀作2000年讀作twothousand2008年讀作twothousandandeight（或twentyOeight）復(fù)習(xí)導(dǎo)入：Whichdoyouthinkisthemostimportantinventionintheworld?

TV?telephone?radio?computer?calculator?car?Inventions:Guessing:

WhatisthisinEnglish?Itisacar.Whenwasitinvented?Itwasinvented

.in1885carin1885WhatisthisinEnglish?

Itisatelephone.Whenwasitinvented?Itwasinventedin1876.telephonein1876When

was

it/werethey

invented?It

was/They

wereinvented

in1927.

TV(s)in1927Askandanswer:Whenweretheyinvented?Theywereinvented

calculators1971in1971.Whenweretheyinvented?They

wereinvented

computersin1976in1976.Task1:TalkaboutinventionsIthinkthecalculatorwasinventedbefore/after

thecomputer.1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabecadbec18761885192719711976A:Whenwasthe_______invented?B:Itwasinventedin______.Task2:1cGroupworkKarlBenz

inventedthecar.______wasinvented

by_______.ThecarKarlBenzWhoinventedthecar？Whowasthecarinventedby？KarlBenzTask3:Bell

invented

thetelephone.___________wasinvented

by___.ThetelephoneBellWhoinventedthetelephone？Whowasthetelephoneinventedby

？BellKarlBenz

inventedthecar.______wasinvented

by_______.ThecarKarlBenz觀察與思考：Edison

invented

thelightbulb.Thelightbulbwasinvented

byEdison.Bell

invented

thetelephone.___________wasinvented

by___.ThetelephoneBellThepassivevoice.被動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)的構(gòu)成:be動(dòng)詞+(及物動(dòng)詞的)過(guò)去分詞

普通現(xiàn)在時(shí)普通過(guò)去時(shí)am(is,are)+donewas(were)+done{Thecarwasinventedin1885.Thepassivevoice.被動(dòng)語(yǔ)態(tài)主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)的構(gòu)造圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語(yǔ)謂語(yǔ)動(dòng)詞過(guò)去時(shí)賓語(yǔ)時(shí)間狀語(yǔ)主語(yǔ)謂語(yǔ)動(dòng)詞的過(guò)去分詞賓語(yǔ)時(shí)間狀語(yǔ)KarlBenzBellEdison.Whowas______inventedby?Itwasinventedby_________.KarlBenzpairworkthecarthetelephoneBellthelightbulbEdisoncarA:Whenwasthecarinvented?in1885B:Itwasinventedin1885.A:Whowasthecarinvented

by?B:Itwasinvented

byKarlBenz.KarlBenzTask4:Pairwork

練習(xí)與鞏固：1.Edisoninventedthelightbulb.Thelightbulb_______________Edison.2.Allthestudentsliketheirteacher.Theirteacher________byallthestudents.3.AmericanspeakEnglish.English_____________American.4.Carswereinventedin1885.（劃線部分提問(wèn)）

cars

?

5.ThelightbulbwasinventedbyEdison.(劃線部分提問(wèn)）

wasthetelephoneinvented

?

wasinventedbyislikedisspokenbyWhen

wereinventedWho

by小結(jié)：Targetlanguage:1.Whenwasitinvented？Itisinventedin…2.Whowasitinventedby？Itwasinventedby…Grammar:普通過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)1.構(gòu)成：was(were)+done（及物動(dòng)詞的過(guò)去分詞）。2.主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)的環(huán)節(jié)：(1)把原主動(dòng)句中的賓語(yǔ)轉(zhuǎn)換為被動(dòng)語(yǔ)態(tài)的主語(yǔ).(2)把動(dòng)詞改為被動(dòng)形式,即“be+過(guò)去分詞”.注意be動(dòng)詞要按新的主語(yǔ)的人稱和數(shù)進(jìn)行變化,時(shí)態(tài)要和原來(lái)的主動(dòng)語(yǔ)態(tài)的時(shí)態(tài)保持一致.(3)原來(lái)主動(dòng)語(yǔ)態(tài)句中的主語(yǔ),如果需要,就放在by背面以它的賓格形式出現(xiàn).如果沒(méi)有必要就能