英语教案 新目标八年级英语下册全册学案2

unit 6 
section a
学习目标
知识目标：
1.单词 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.
学习重点：单词和重点句型
学习难点：区别不同点：
1.“for” and“since”   2.“how long have you been skating?”
and “ how long did you skate?”
学习过程：
step1.自学44、45、46页单词并检测：
收集___________贝壳___________溜冰鞋____________溜冰者__________
马拉松赛跑_________    滑冰马拉松___________   筹集_________    
几个的_________      自从___________    自从9点起____________ 
一双旱冰鞋_________________自从两年前一直到现在 _______________
step2.新课导入:
    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.研讨现在完成进行时态的用法、谓语动词构成、句式转化（一般疑问、否定句、特殊疑问句）及for和since的用法区别 
1.总结现在完成进行时态的用法及谓语动词构成： 现在完成进行时态表示：_________________________________________________. 现在完成进行时态谓语动词的构成：_________________________.
2.since和for的用法区别：
since后面跟_______________,句子时态用__________________.since后面也可跟_____________,从句时态用__________,主句时态用___________ .for后面跟___________,句子时态可用____________ 也可用_________等多种时态.
选择:⑴i’ve been skating (for/since) three years.
 ⑵jack has been studying chinese (for/since) the year of .
二.pair “一对、一双、一副”a pair of shoes / glasses /……
单选：⑴ my pair of shoes _____ much too expensive.
     a.are      b.is     c.be       d.my
 ⑵ can i help you?  i’d like ______ for my twin sons.共27页，当前第1页123456789101112131415161718192021222324252627