8B Unit1集體備課教案
people living in the town (30,000people lived in subshine town ) (mang people have moved out to other areas)
what we had/have in the town (some small restaurant ,shops, market stalls, a small post office and an old cinema) (a park ,a large shopping mall and a thestre 0
water pollution (the water pollution was terrible. the shoe factory dumped waste into the river0 (the river is much cleaner)
step 6 homework
1、 熟讀課文，背誦記憶課文中的重點(diǎn)句子和詞組
2、 了解本地過(guò)去和現(xiàn)在的變化，學(xué)會(huì)描述已經(jīng)發(fā)生的變化（字?jǐn)?shù)在50字上）
unit 1 the 4th period
content: grammar
(一)teaching aims:
1. to learn some new words.
2. to learn the use of the present perfect tense.
3.to understand the difference between the present perfect tense and the simple past tense.
important and difficult points:
the use if the perfect tense: have/ has +p.p.
teaching procedures:
step1.teach the new words from p13 to p17.
step 2.lead in the present perfect tense.
t: when did you have breakfast?
s:i had breaskfast an hour ago.
t: he had breakfast an hour ago. he has had breakfast.(bb)
t: where did you study english last term?
s: we studied english in zhouzhuang middle school.
t: yes. you studied english in zhouzhuang middle school. you have studied here for about two years.(bb)
→我們用一般過(guò)去時(shí)談?wù)撨^(guò)去發(fā)生的動(dòng)作,但當(dāng)過(guò)去發(fā)生的動(dòng)作和現(xiàn)在有聯(lián)系有影響時(shí),我們用現(xiàn)在完成時(shí)態(tài).(refer to p13)
→structure: have/has+v(p.p.)
step 3.how we form the past participles of verbs p14 (add the simple past forms)
add: have---had---had hear---heard---heard buy---bought---bought
go---went---gone do---did----done eat---ate---eaten
orget---forgot---forgotten cut---cut---cut read---read---read （refer to p121）
step 4.explain the use of the present perfect tense.
(一) 基本用法:
1. 到現(xiàn)在為止這段時(shí)間已發(fā)生的情況.動(dòng)作從過(guò)去延續(xù)到現(xiàn)在.
eg. she has been ill for three days. (she’s been…)
we have learned 2,000 english words. (we’ve …)
2. 某個(gè)動(dòng)作雖是過(guò)去發(fā)生,但其后果和影響及于現(xiàn)在，或者還有可能繼續(xù)延續(xù)下去。
eg. thanks you. i’ve had my supper. (現(xiàn)在用不著吃)
tom has seen the film. (對(duì)這部電影有所了解)
(二) 特定的時(shí)間狀語(yǔ):
already, yet(否,疑), since, ever, never, just, before(句尾), for+時(shí)間段, recently, …times, how many times, how long, during the past / last 3 years
eg. she has already finished her work.