第31時How long have you been collecting shells學(xué)案
【題】：Unit 6 How long have you been collecting shells? . Section A (1a-2c)
【勵志小木屋】：Good habits are the best friends of man. 良好的習(xí)慣是益友
【學(xué)習(xí)目標(biāo)】：
知識目標(biāo) 1.識記并會運用單詞collect, shell, pair, skate, since
2.理解并運用短語 for five years, a pair of...
3. 掌握并運用句型(1) --- How long have you been skating ?
--- I have been skating for five hours.
(2) --- How long have you been skating ?
--- I have been skating since I was seven years old.
能力目標(biāo)：能用新句型進行對話，了解完成時態(tài)的用法。
情感目標(biāo)：培養(yǎng)學(xué)生們的交際能力，以及相互幫助和合作的能力。
【學(xué)習(xí)重難點】：重點：現(xiàn)在完成時態(tài)的構(gòu)成及用法，標(biāo)志詞.
難點：have /has been and have/has gone 的區(qū)別.
一、自主預(yù)習(xí)
（一）預(yù)習(xí)任務(wù)
Task One 預(yù)習(xí)本單元的單詞 1）個人自讀，記憶本單詞2）小組互相檢查單詞讀的情況
收集_______ 貝殼________ 一雙 __________溜冰鞋__________ 自從_____馬拉松賽跑 ____________ 一雙溜冰鞋 ____________ 在馬拉松賽中 _______
Task Two：自主預(yù)習(xí)1b,2a,2b的聽力
1．試譯以下句子I’ve been skating for five hours.______________
I skated for four hours.________________________
2． 以上兩個句子有什么區(qū)別_________________
3．拓展練習(xí) a. 自從八點開始，我就已經(jīng)滑冰了。__________________________
b. 我讀過這本書._________________
c. 我收集貝殼已經(jīng)兩年了。_____________________________
Task Three ：how 的相關(guān)詞組:
how________多少（錢） how _______多少(人) how________多遠 how ________多久一次 how_______多大 how ________ 多久以后
（二）預(yù)習(xí)診斷. 從B欄中找出A欄相應(yīng)的答語
A
1．How long has Alison been skating?
2．How long did Sam skate?
3．Was this your first skating marathon ?
4．Do you skate every day ?
5．When did you get your first pair of skates ?
B
A . Yes , I do.
B . No, Iskated in a marathon last year.
C . She has been skating for five hours.
D . On my tenth birthday.
E . He skated for four hours.
（三）預(yù)習(xí)反思 Do you have any questions ?
二．中實施
Step 1 預(yù)習(xí)交流------精講點撥
1. --- How long have you been collecting shells?
--- I have been skating since I was seven years old.
(1)how long意為“多長時間”，對時間段提問，常用for+時間段或since ... 等表示一段時間的短語回答，for+時間段== since+時間段+ago 。例如：
for five years = since five years ago
(2)how long還可以對物體長度進行提問。例如：How long is the river?
2. since I was 7 years old . 自從我七歲以。
(1) Since 作conj.時，意為“自從；自……以”，用引導(dǎo)時間狀語從句。Since從句常用過去時，主句常用完成時。
y father has taught here since he left school.
(3)作prep.時，意為“自從；自……以”，后接表示過去時間點的名詞。
She has been ill since 1999.
Step2 Warming-up Step 3 Lead-in Step4 Pairwork
Step 5 拓展延伸：用所給詞的適當(dāng)形式填空。
run, collect, for, since, pair
1.y hobby is ________ shells.
2.om, my shoes are old. Could you buy me a new _________ ?
3.She has been playing the piano ______ she was 4 years old.
4.I’ve been studying English _____ over 5 years.
5.Was this your first _____ marathon ?
Step 6 系統(tǒng)總結(jié)
三、限時作業(yè) 滿分 10 分 得分 ________
1. There are many beautiful s________ on the beach.
2. I have lived in Los Angeles s______ I was born.
3. She’s going to buy a p_______ of shoes.
4. The boy likes c_______ stamps.
5. --- _____ shall we start for Shanghai ? --- At eight o’clock tomorrow morning .
A.How long B. When C. How soon
6.---- ______ have you been standing here ? --- For half an hour.
A. When B. Where C. How long
7. --- ______ you ____ to the party yesterday? ----- Yes, I did.
A. Did ; go B. Have; been C. Do; go
8. There ____ a pair of shoes under the bed. A. is B. are C. were
9. _______ (滑冰) is good for health.
10. He played computer games for 3 hours.(對劃線部分提問)
______ ______ ________ he play computer games?
學(xué)后反思：
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