八年級(jí)英語(yǔ)Unit 6 Grammar教學(xué)案牛津版

1、unit 6 natural disastersperiod 5 grammar 學(xué)習(xí)目標(biāo)：1.進(jìn)一步學(xué)習(xí)過(guò)去進(jìn)行時(shí)。2. 學(xué)習(xí)while 和when 在過(guò)去進(jìn)行時(shí)中的應(yīng)用。step 1 預(yù)習(xí)語(yǔ)法1. 語(yǔ)法簡(jiǎn)介：過(guò)去進(jìn)行時(shí)態(tài)(一）構(gòu)成 was (were) + 動(dòng)詞-ing構(gòu)成。(二) 形式過(guò)去進(jìn)行時(shí)的肯定式: i was working. / you were working. / he/she/it was working.we/you/they were working.過(guò)去進(jìn)行時(shí)的否定式: i was not working. / you were not working. / he/

2、she/it was not working.we / you / they were not working.過(guò)去進(jìn)行時(shí)的疑問(wèn)式：were you working at ten last night? yes, i was. / no, i wasnt.was he working at ten last night? yes, he was. / no, he wasnt. (三）用法：過(guò)去進(jìn)行時(shí)的意義：表示過(guò)去正在發(fā)生或進(jìn)行著的動(dòng)作。例如：you were listening to me. / they were learning english. what were you doing

3、? he was watching tv .過(guò)去進(jìn)行時(shí)的用法：表示在過(guò)去某一時(shí)刻或某一時(shí)間正在進(jìn)行的動(dòng)作。這一特定的過(guò)去時(shí)間，除了有上下文暗示以外，一般用時(shí)間狀語(yǔ)來(lái)表示。when were you doing this time yesterday?-we were working in class.he was mending his bike at ten oclock yesterday.i was drawing a horse when the teacher came in.while she was trying to pass a truck before her, she s

4、aw another car coming.2. 學(xué)習(xí)了過(guò)去進(jìn)行時(shí)的語(yǔ)法，快來(lái)完成99-100頁(yè)a1和a2部分的練習(xí)吧。做完之后，兩人一組朗讀對(duì)話，并核對(duì)答案。注意過(guò)去進(jìn)行時(shí)的構(gòu)成哦。3. 聰明的你能將a2 的對(duì)話改寫(xiě)成一段小故事嗎？快來(lái)顯示你的文采吧！ step2鞏固練習(xí) 小試牛刀：用所給動(dòng)詞的正確形式填空：1. look! some children _(chat).2. sorry, i _(help) the baby tie the shoelace at present.3. some children _(chat) this time yesterday.4. sorry, i

5、 _(help) the baby tie the shoelace at that time.5. i _(wash) my face at 6 this morning.6. she _still _(lie) in bed this time yesterday.7. _you _(watch) tv from seven to nine yesterday evening.8. he _(drink) tea the whole morning.9. -where did you go just now? -to the teachers office. -what were you

6、doing there? -i _(solve) a math problem with my teacher. it took us a long time to work it out.step 3 拓展延伸 （part b）(一) a) 當(dāng)兩個(gè)延續(xù)（思考舉例）的動(dòng)作同時(shí)發(fā)生，兩個(gè)句子都可用過(guò)去進(jìn)行時(shí)來(lái)表示，用while連接，如：1. people _(run)wildly while pieces of glass and bricks _(fall)down.2. yesterday afternoon, while daniel _ _ (work) on the computer,

7、 millie _(stand) beside him.3 we _ _(clap) our hands while the performers _(march) across the park.b) 當(dāng)一個(gè)延續(xù)的動(dòng)作正在發(fā)生的時(shí)候，另外一個(gè)瞬間動(dòng)作發(fā)生了，可用“when”或“while”連接，較長(zhǎng)的動(dòng)詞用過(guò)去進(jìn)行時(shí)，較短動(dòng)詞用一般過(guò)去時(shí)1. hello kitty _(wave) to the visitors while she _(dance) to the music.2. we _(read) a terrible story when suddenly the lights _(

8、go) out.3. the doorbell _(ring) while we _(talk) on the phone yesterday.c) 一般過(guò)去時(shí)與過(guò)去進(jìn)行時(shí)用法的比較: 一般過(guò)去時(shí)表示在過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)，而過(guò)去進(jìn)行時(shí)則表示在過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行的動(dòng)作。如： mary wrote a letter to her friend last night. mary昨晚給她的朋友寫(xiě)了封信。（信寫(xiě)完了 。）mary was writing a letter to her friend last night. mary昨晚一直在給她的朋友寫(xiě)信。（信不一定寫(xiě)完。） practice : 用when/ while 填空： 1. _simon arrived, amy was reading. 2. i was reading english _ the teacher came in. 3. _my mother was cooking, the phone rang. 4. mrs. wang was listening to music _ her husband was reading n