unit 1 when was he born 【學(xué)習(xí)目標(biāo)】1、熟練掌握how long引導(dǎo)的特殊疑問(wèn)句在一般過(guò)去時(shí)態(tài)中的具體用法；3、能根據(jù)主要句型和聽(tīng)力內(nèi)容編演對(duì)話?！緦W(xué)習(xí)重點(diǎn)】1、熟練掌握how long引導(dǎo)的特殊疑問(wèn)句在一般過(guò)去時(shí)態(tài)中的具體用法；2、能根據(jù)主要句型和聽(tīng)力內(nèi)容編演對(duì)話。1. how long did david stand in a box of ice？ 本句是由how long 引導(dǎo)的特殊疑問(wèn)句，對(duì)一段時(shí)間的狀語(yǔ)進(jìn)行提問(wèn)。例：-how long did you study in your school? - i studied for 2years.在回答由how long 引導(dǎo)的問(wèn)句時(shí)，往往用到介詞for, 介詞for表示“持續(xù)多長(zhǎng)時(shí)間”。試做幾道題，感覺(jué)一下吧?。?）she played table tennis for nineteen years. （對(duì)劃線部分提問(wèn)）_？（2）she took piano lessons for two years. （對(duì)劃線部分提問(wèn)）_？2、理解以下短語(yǔ)和句型stop doing sth. 停止做某事 stop to do sth. 停下來(lái)做某事please stop talking. 請(qǐng)停止講話。please stop to talk.請(qǐng)停下來(lái)講話。start /begin doing(to do) sth.開(kāi)始做某事when did he start / stop hiccupping? 他什么時(shí)候開(kāi)始/停止打嗝的？ stop doing sth停止正在做的事你應(yīng)該停止做作業(yè)。_stop to do sth. 停下來(lái)去做其他的事.你應(yīng)該停下來(lái)去做作業(yè)。_start doing/ to do sth開(kāi)始做某事你應(yīng)該開(kāi)始做作業(yè)。_【合作交流】（一）預(yù)習(xí)情況檢查在組內(nèi)討論交流預(yù)習(xí)中遇到的困難或存在的問(wèn)題。（老師點(diǎn)撥，師生互探討）（二）合作探究 1、跟錄音讀2b，分角色表演并展示。2、自讀2d,小組討論知識(shí)點(diǎn)，解決難點(diǎn)。（三）groupwork你和同學(xué)模仿2d編演對(duì)話。（四）課堂小結(jié)：今天我們學(xué)習(xí)了_三、達(dá)標(biāo)測(cè)評(píng)（一）基礎(chǔ)題( ) 1.when and where _you born?. -i _born in weihai in 1980.a. were, was b. were, were c. was, was d. was, were( ) 2. i started _japanese _three months last year.a. to learn, in b. learning, for c. to learn, on d. learning, during( ) 3._did you stay in the usa? for about ten years.a. how long b. how often c. how soon d. how old( ) 4.stop_! all of you should go back to your seats and stop _ an english class!a. talk; to take b. talking; to take c. talk, taking d. talking, taking（二）能力題完成句子1.when _ your birthday? (be)2.how old _ he last year? (be)3.when _ your sister born? (be)4.when _ the twin sisters born? (be)5._they born in 1996? no, they_.6.i was born on sep.10. (一般疑問(wèn)句）_7. they were swimming at that time.(否定句）_（三）拔高題1.they did their homework last night.（改為否定句）they _ _ their homework last night.2.i was born on june 22, 1984.(就劃線部分提問(wèn))_ _ _ born?3.she went to bed last night. (就劃線部分提問(wèn))_ _ she _ to bed last night.4.we lived in london for about three years.(就劃線部分提問(wèn)