辽宁省东港市黑沟中学八年级英语下册 Unit 6 How long have you been collecting shells？（第2课时）学案（无答案） 人教新目标版.doc

unit 6 how long have you been collecting shells？（第2课时）一 课前热身二 学习目标 p46词汇 学习重、难点：现在完成进行时的用法以及与现在进行时和过去进行时的区别。三 自主学习四 合作探究一）现在完成进行时与一般过去时和现在进行时的区别1. 一般过去时：表示_发生的事，常与表示_的时间状语连用。需要注意的是，只要有表示过去的时间，就不能用现在完成进行时。 eg.:i have been skating at eight oclock.(x) i have been skating since eight oclock.()or:i have been skating for two hours. () 2. 现在进行时：只表示这个动作现在正在进行，或现阶段正在进行。 eg.:i am skating now. students are watching english movies in the classroom.二）读懂题目要求，读完3a短文，按要求完成3a,3b两个表格。 仿照4编对话，进行对话练习。三）完成:4 groupwork.，采访同学，填写表格，进行对话问答练习。1 练习：用现在完成进行时或者一般过去时填充. 1) i _ (paint) this room. 2) my mother _ ( go ) to work an hour ago. 3) i am tired. i_(dig)挖坑 all day. 4) how long _ ( the children sleep)？they are still in bed.五 基础检测 单项选择（）1. alison was _ one to start skating of the three. a. one b. the one c. the first （）2. she stayed at home for _. a. whole five days b. the whole five days c. all five the days （）3. _ did you first skate? two years ago. a. when b. what c. how（）4. mr green _ in china since five years ago.a. lived b. has lived c. is going to live（）5. mr black has been here _ five ye rs ago. a. since b. for c. in 六 拓展延伸用括号中词的正确形式填空。 1. each student _(have) an english-chinese dictionary in our class.2. there are lots of _(skate) from canada in this store.3. lily played tennis for three and a half _(hour) yesterday.4. peter has been _(swim) since last year.5. the singers are having a concert_(raise) money for charities. 一、七 课后作业(一) 翻译下列词组：1. 用完 _ 2. 顺便 _ 3. 对感兴趣 _ 4. 三年半_5. an hour ago _6. raise money _7. last year _ 8. every day _（二）选出与划线部分意义相同或相近的选项。（）1. ann has been learning english since 2003. a. for 2003b. since about 6 years c. 6 years agod. for about 6 years（）2. he stayed at home the whole day because of the rain. a. whole the day b. the all day c. all the day d. one day（）