Unit 3 What were you doing when the UFO arrived?教案
unit 3 what were you doing when the ufo arrived?教案
period one (section a 1a-2c)
學(xué)習(xí)目標(biāo)：
new words:ufo,barber,bathroom, alien,kitchen,bought, land, got, while
key phrases: get out, take off
key sentences:
⑴.—what were you doing when the ufo arrived?—i was cooking dinner in the kitchen.
⑵—what was he doing when the ufo arrived?—he was sleeping late when it arrived.
⑶the girl was shopping when the alien got out. ⑷while the girl was shopping, the alien got out.
學(xué)習(xí)重難點(diǎn)：◆重點(diǎn) 掌握過去進(jìn)行時(shí)態(tài)的用法。◆難點(diǎn) 掌握when和while的用法。
前置學(xué)習(xí):
一.仔細(xì)觀察下的對(duì)話,用“_____”標(biāo)出對(duì)話中所出現(xiàn)的時(shí)間，并補(bǔ)全句子.
1. a: what are you doing now? b: i am doing my homework now. they are having an english lesson.
2. a: what were you doing at 9 o’clock last night? b: i was doing homework.
c:_________________________________(我正在打掃我的房間).
a: what were you doing when your mother came back yesterday?
b:i ______________________________________(我正在講電話).
試總結(jié):對(duì)話1用了______進(jìn)行時(shí)態(tài),對(duì)話2用了__________進(jìn)行時(shí)態(tài).
二.根據(jù)下面的表格完成問答.
i jim they
4: 00 pm last sunday cutting hair walking down the street playing tennis at the playground
when the ufo landed getting out of the library making a milk shake sleeping late
例如：a: what were you doing at 4:00 last sunday afternoon? b: i was cutting my hair.
a: what _____ you _________ when the ufo landed? b: i ________ the library..
a: what _____ jim ______ 4:00 last sunday afternoon? b: he _______________ the street.
a: ______jim doing ___________?b: he ________________.
a: what _________ they doing _____________? b: they ____________ at the playground.
a: ______ they _______ when the ufo landed? b: they ______________________________.
通過以上的練習(xí)你能歸納出過去進(jìn)行時(shí) be 動(dòng)詞的規(guī)律嗎？
i/he/she + _______ + doing they/you + _______ + doing
三.a.將下面的句子翻譯成中文，并仔細(xì)觀察進(jìn)行比較。1. the boy was walking down the street when the uf o landed. 2. the girl was shopping when the alien got out.
3. while the boy was walking down the street, the ufo landed. 4. while the girl was shopping, the alien got out. 總結(jié)：when 與while: 都是 “ 當(dāng)……的時(shí)候”, 但如3.4句,后接的動(dòng)詞用過去進(jìn)行時(shí)，多選用____; 而后接的動(dòng)詞用一般過去時(shí)態(tài)時(shí)，用_____.