重庆市江津五中八年级英语上册《Unit 6 How long have you been collecting shells》学案（无答案） 人教新目标版.doc

unit 6 how long have you been collecting shells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 ？ive been skating for five hours. ive been skating since nine hours. ive been skating since iwas seven years old. 能力目标：通过学习现在完成进行时，学会谈论人们做某事持续 多长时间，谈论人们收藏某物多长时间。情感目标：通过对历史文化知识的再认识，培养学生跨学科学习 的能力。 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_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:ive been skating for/since three years. jack has been studying chinese for/since the year of 2000.二pair “一对、一双、一副”a pair of shoes / glasses / 单选： my pair of shoes _ much too expensive. a.are b.is c.be d.my can i help you id like _ for my twin sons. a.two pair of shoes b.two pairs of shoe c.two pairs of shoes【当堂达标】 一.单项选择. 1. we have been walking _ 8 oclock. a. for b. at c. since d. during 2. amy has been skating _ two hours. a. or about b. for since c. since d. for about 3. how long have you been living here ive been living here_ four years ago. a. for b. before c. since d. during 4. uncle wang _ since he came to the company. a. has been working b. have been working c. worked d. work 5. they have been swimming since they _ a. is b. was c. has d. were 6. mr li _swimming for 3 hours and his son _an hourago. a. has been started b. has been has started c. started has started d. has started started 7. -_ has this food store been here - since 2001. a. how long b. how often c. how old d. how soon二.英汉互译 1. 我认为科学是最乏味的科目。 i_ science is _ _ _ sub