1、.新課標人教版八年級英語下冊Unit 6 How long have you been collecting shells?精品學案Section A學習目標知識目標：1.單詞 collect , shell, skate, pair, since, raise, several, skater2.掌握句型：How long have you been skating? Ive been skating for five hours.Ive been skating since nine hours. Ive been skating since Iwas seven years old.-H

2、ow long did you skate? -I skated for two hours.-What sport do you play? -Tennis.-When did you start? -When I was eleven.能力目標：通過學習現在完成進行時，學會談論人們做某事持續多長時間，談論人們收藏某物多長時間。情感目標：通過對歷史文化知識的再認識，培養學生跨學科學習的能力。學習重點：單詞和重點句型學習難點：區別不同點：1.“for” and“since” 2.“How long have you been skating?” And “ How long did you s

3、kate?”學習過程：Step1.自學44、45、46頁單詞并檢測：收集_貝殼_溜冰鞋_溜冰者_ 馬拉松賽跑_ 滑冰馬拉松_ 籌集_ 幾個的_ 自從_ 自從9點起_ 一雙旱冰鞋_自從兩年前一直到現在 _ Step2.新課導入: Read the sentences and answer them. ( help students using “at”and “for”correctly)1.When did you go to bed last night? When did you get up this morning?How long did you sleep last night?

4、2. What are you doing now? When did you start the English class today? How long have you been having the English class today?How long have you been in class? Step3.自主探究一研討現在完成進行時態的用法、謂語動詞構成、句式轉化（一般疑問、否定句、特殊疑問句）及for和since的用法區別 1.總結現在完成進行時態的用法及謂語動詞構成： 現在完成進行時態表示：_. 現在完成進行時態謂語動詞的構成：_.2.since和for的用法區別：s

5、ince后面跟_,句子時態用_.since后面也可跟_,從句時態用_,主句時態用_ .for后面跟_,句子時態可用_ 也可用_等多種時態.選擇:Ive been skating (for/since) three years. Jack has been studying Chinese (for/since) the year of 2000.二pair “一對、一雙、一副”a pair of shoes / glasses /單選： My pair of shoes _ much too expensive. A.are B.is C.be D.my Can I help you? Id

6、like _ for my twin sons. A.two pair of shoes B.two pairs of shoe C.two pair of shoe D.two pairs of shoes三1.The skating marathon has been going for five hours now, and several skaters are still skating several “幾個的，數個的” “幾個，數個” 例如：I bought several books on computer. Several of them decided to walk ho

7、me. There are several hundreds of sheep on the hill.總結：several可作_詞，用來修飾名詞_；還可做_詞；還可修飾hundreds of.Eg:根據首字母填空The girl can speak s_languages, such as English, Japanese, French, etc.2. Alison was the first one to start and has been skating for the whole five hours. the first one to skate “第一個開始的人”to ska

8、te 為動詞不定式做_語。例如：She is the first foreign singer to take part in the contest. 翻譯：今天他是最后一個到校的學生。 He was the last student _ _ _ _ today. 他是第一個贏得這個獎的音樂家。 He was the first musician _ _ the prize. the whole five hours “整整五個小時” whole 和all 均有“所有的，全部的”但用法不同。 例如：All the people are here.We looked for the whole

9、 school, but found nothing.總結：all與定冠詞、指示代詞、物主代詞、數詞連用時，常放在_;whole與定冠詞一起使用時則放在_. 用all或whole填空： My grandfather told me the_ story. My brother was hungry, he ate_ the cakes.Step4. 合作交流1b,2a,2b. Listen to the tape and finish them. Step5.典題賞析：1.If he doesnt want to do the job, does _ went to?A.  

10、;   everybody else B.anybudy else C.elseanybody D.else every body解題:選B, else 修飾不定代詞時，要后置，所以排除C、D；又根據題意，答案選擇B 2.-_did you return the dictionary? -Last night .A.How far B.When C.Why D.How often解題：選B. last night意為昨天晚上，是一般過去時態的時間狀語，故選B.3.Who is the last person _ the office yesterday afternoon?

11、A.leave B.left C.leaves D.to leave解題：選D。根據題意，本題動詞不定式短語作定語，修飾前面的the last person.【當堂達標】 一.單項選擇.1. We have been walking _ 8 oclock. A. for B. at C. since D. during2. Amy has been skating _ two hours. A. or about B. for since C. since D. for about3. How long have you been living here? Ive been living he

12、re _ four years ago.A. for B. before C. since D. during4. Uncle Wang _ since he came to the company.A. has been working B. have been working C. worked D. work5. They have been swimming since they _5. A. is B. was C. has D. were6. Mr Li _swimming for 3 hours, and his son _an hour ago.A. has been, sta

13、rted B. has been, has started C. started, has started D. has started, started7. -_ has this food store been here? - Since 2001. A. How long B. How often C. How old D. How soon8. Ive been collecting coins _ I was 10years old.A. when B. while C. and D. since 9. Some students on the village are very po

14、or. Lets raise four_yuan for them. A.thousands B.thousands of C.thousand D.a thousand二.英漢互譯1. 我認為科學是最乏味的科目。I_ science is _ _ _ subject.2. 如果你每天吃漢堡，你會變胖的。_ you _ _ every day, you will _ _3. Alice 是今天第一個到校的。Alice was the _ _ _ get to school.4. 所有的學生都在準備考試。_ students _ preparing for the exam.5. 我已經滑冰5個小時了。I _ _ _ for five hours