新目標八年級英語下冊第六單元 Section A學案及答案
新目標八年級英語下冊第六單元 section a學案及答案unit 6 how long have you been collecting shells?
section a
學習目標
知識目標：
1.單詞 collect , shell, skate, pair, since, raise, several, skater
2.掌握句型：how long have you been skating?
i’ve been skating for five hours.
i’ve been skating since nine hours.
i’ve been skating since iwas seven years old.
--how 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 skate?”
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?
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：
since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:⑴i’ve been skating (for/since) three years.
⑵jack has been studying chinese (for/since) the year of .
二.pair “一對、一雙、一副”a pair of shoes / glasses /……
單選：⑴ my pair of shoes _____ much too expensive.