2020江西省八年級英語下冊 Unit 6 How long have you been collecting shells Section A(1a2c)導學案 人教新目標版

2020學年人教版英語精品資料Unit 6 How long have you been collecting shells Section A(1a-2c) 【重難點預測】1.現(xiàn)在完成時態(tài)的構成及用法。2.have /has been and have/has gone 的區(qū)別?！拘轮獙W】1.When did you start learning English? I started learning English two years ago.2.How long did you sleep last night? I slept 8 hours last night.【自主預習】1.請同學們先認真閱讀學習目標，然后仔細研讀課本P44-P45, 看完后將所學到的東西進行歸納，畫出重要知識點，用紅色筆作好疑難標記。2.試著讀一讀單詞表中本課時的新單詞（或詞組），將不會的單詞圈出來，然后通過聽磁帶或求助于其他等方式將單詞讀準、讀熟。3.你知道下列單詞的意思嗎？試試看！collect _ shell _ marathon _ pair _skate_ since_been_ 4.寫出下列短語的意思。since I was 7 years old _ for five years_a pair of skates_ your first skating marathon_5.課前聽一聽，完成課本P44-45 1b,2a,2b的聽力?！竞献魈骄俊咳蝿?：模仿對話，區(qū)分現(xiàn)在完成進行時與一般過去時。成龍（Jackie Chan） 1954:be born 1961now: actA：When did Jackie Chan begin to act?B: When he was 7 years old.A: How long has Jackie Chan been acting?B1: He has been acting since 1961.B2: He has been acting for 51 years.B3: He has been acting since he was 7 years old.任務2：新知講解。歸納生成，你能歸納上面B1- B3主要表達哪種時態(tài)嗎？這種時態(tài)的結構怎樣？在什么情況下使用？和一般過去時有什么區(qū)分嗎？和小組成員討論一下，然后派代表在班內匯報。(可以查閱資料)_ 任務3：做一個調查。聽力之后，小組合作完成一個調查。調查組員最喜歡哪種運動？從什么時候開始？得了多久？然后把調查結果向全班匯報?？捎孟铝芯湫停篧hen did you start to learn? How long have you been doing .? I started to learnwhen I was I have been doing .for/since_考點聚焦 現(xiàn)在完成進行時：表示從過去某一時間開始一直持續(xù)到現(xiàn)在的動作。這一動作可能剛剛開始，也可能仍在繼續(xù)，并可能持續(xù)到將來。由“have/has been + doing”構成。練一練：翻譯1.他滑了兩小時冰啦。_2.孩子們從八點鐘開始就一直在看電視。_3.我學英語學了五年。_ for和since的區(qū)分：for+時間段，since+過去的時間點，since +時間段+ago，since +從句 它們都用于完成時中。練一練：用for或since填空1.They have been learning Chinese _they came to China.2.I havent seen her _ a long time.3.He has been living here _ 2001.4.She has been doing her homework _ two hours.5. Its 5 years _ we left school.6. How long has Mary been a teacher? _ two years ago. 【學案整理】_Unit 6 How long have you been collecting shells?Section A (1a2c) 練一練：1. He has been skating for two hours.2. Children have been watching TV since 8 oclock .3. I have been learning English for five years.練一練：1. since 2. for 3. since 4. for 5.since 6.since