山东省日照港中学八年级英语下册《Unit 6 How long have you been collecting shells Section A 1a2c》学案（无答案） 人教新目标版.doc

八年级英语下册unit 6 how long have you been collecting shells section a 1a-2c学案词汇课前预习：根据音标拼读本课时单词、短语，并记忆基础词形。1. 收集 _ 2. 贝壳 _ 3. 马拉松比赛 _4. 一双溜冰鞋 _ 5. 自从；自. .以来 _6. 多久，多长时间 _ 7. the skating marathon _ii. 句法语法预习仔细阅读并分析本单元大标题： how long have you been collecting shells?小组内合作完成下列任务：1. translate this sentence into chinese: _2. 根据此标题以及课本4445页内容，归纳本单元语言现象： 谈论到现在为止做某事有多久了。 （1） 对这一现象的不同表达的句子出现了哪几个？（只找出问句即可。）_（2） 上面找出来的句子中，表达的意思一样吗？时态一样吗？分别使用了什么时态？表达怎样不同的句意？_（3） 读课本99页现在完成进行时部分语法讲解，理解它的概念和构成。概念：表示从_ 某一时间开始，一直延续到_ 的动作。这一动作现在仍然在_, 并有可能延续到 _.结构：_。 其中，have / has 是助动词，been 是系动词_ 的过去分词，所以have/ has been 表示的是过去完成时，而 _部分表示的是这个动作仍然正在进行。（4） 尝试运用： 先个人独立思考完成，再进行小组内探究疑问。 - 你打篮球多长时间了？_ - 三年了。_ - 你昨天打篮球打了多长时间？_ - 一个小时。_（二）课堂导学案i. make a survey in your group, and then report your results:namehobbyhow long(since/ for)you can do like this:a: whats your hobby?b: i like a: how long have you been ing .?b: i have been ing for/since.report : in my group, _ likes _. he/she has been_ for _. and _ likes. .ii. 当堂检测评价基础过关一fill in the blacks with the correct words:1. how l_ have you been c_ stamps(邮票)?2. i have been skating s_ two years ago.3. he won the first prize in a 42-kilometer m_ last year.4. how many _(贝壳) have you been _(收集) ?5. my _(滑冰鞋) are worn out, and i want to buy a new _(一双).基础过关二complete the sentences:1. a：你收集贝壳有多长时间了？ b:自从我上中学以来。 a：how long _ you _ _ shells? b：_ i _ to middle school.2. 我滑冰已有五个小时了。 i _ _ _ _ 5 hours.3. a:这是你首次参加滑冰马拉松吗？ b:不，去年我参加过。 a: was this your _ _ _? b: no，i _ in a _ last year.4. a:你什么时候得到第一双溜冰鞋？ b: 3年前。 a: when did you _ your first _ _ _? b: three years ago.5. a:他游泳有多长时间了？ b: 他已游了半小时了。 a: how long _ he _ _ ? b: he _ _ _ _ half an hour.能力提升fill in the blanks with “for” or “since”：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. he has been reading english _ 6 am.6. how long has mary been a teacher? _ two years ago. 拓展升华complete the sentences:1. he has been collecting kites for 5 years. (划线提问) _ he been collecting kites?2. i have been away from home for 12 years。(改为同义句) i have been away from home _ 12 years _.3. sam has been skating for four hours. (改为否定句) sam _ skating for four hours.4. we played basketball two hours ago. (改为现在完成进行时). we _ basketball _ two hours.（三）课后巩固练习案i. 根据句意及首字母提示补全单词，并翻译句子。1 - _ have you been in this school? - for two years.2. his job is c_ empty bottles.3. she found many colorful s_ on the beach.4. was this your first skating m_?5. - how long _ you _ today? - i skated for six hours.6. she has been skating s_ she was four years old. so she is a very good _ （滑冰运动员）in our class.7. when did you get your first _