山东省宁阳县第二十五中学八年级英语下册《Unit6 How long have you beencollecting shellsSection B（3a4）》学案（无答案） 人教新目标版.doc

山东省宁阳县第二十五中学八年级英语下册unit6 how long have you beencollecting shellssection b（3a-4）学案（无答案） 人教新目标版课题名称unit 6 section b (3a-4)课时总5课时授课班级第4课时总课时31教学重点1. 识记p38单词 2. 理解3a掌握其中语言点教学难点重点单词及短语的识记课前准备复习重点短语学 案一、快乐预习：（一）学习方式：按要求自主完成下列内容（二）预习内容：1.朗读并识记48页的生词及短语 2.翻译48页的句子3. 找出含现在完成进行时句子_ _ _ _（三）预习检测1 raise money _ 2 for five hours_3 since i was seven years old _ 4 run的过去分词 _5 see的过去分词_ 6 eat的过去分词_7 cut的过去分词 _ 8 die的过去分词_ 9 .许多年以前_5 顺便；附带说说_6 .对感兴趣_【预习质疑】写出预习中发现的问题_学习目标：学会使用if引用的条件状语从句二合作探究 （一）阳光展示：组内交流课前自主学习内容 （二）导学点拨这两个时态的主要差别是，现在完成时表示动作业已完成， 而完成进行时却不一定如此：1 ive made a cake. 我做了一个蛋糕。（已做好）ive been making a cake. 我一直在做一个蛋糕。 （不一定做好了）2 shes painted a picture. 她画了一幅画。（已画好 shes been painting a picture. 她在画一幅画。（可能还没画好）3 theyve built a bridge. 他们建了一座桥。(已建好)theyve been building a bridge. 他们一直在建一座桥。（可能还在建）4hes written a novel. 他写了一部小说。（已完成）hes been writing a novel. 他在写一部小说。(可能尚未完成)(三) 针对性练习1. -would you like something to eat ?-no, thank you. i _ (have lunch)2. maria _ (learn) english for two years.3. hello, tom. i _(look) for you all morning. where have you been ? 4. last week the bus fare was 80 pence. now it is 90. _. (go up)三：拓展提高： 1.阅读 3a并填空 3. finish 3b, 3c and make conversations课堂小结 四感恩达标1. - hi, tracy, you look tired. - im tired. i _the living room all day. a. painted b. had painted c. have been painting d. have paintede2. - how are you today? - oh, i _ as ill as i do now for a very long time.a. didnt feel b. wasnt feeling c. dont feel d. havent felt3. now that she is out of a job, lucy _ going back to school, but she hasnt decided yet.a. had considered b. has been considering c. considered d. is going to consider4.the crazy fans _ patiently for two hours, and they would wait till the movie star arrived.a. were waiting b. had been waiting c. had waited d. would wait 5. - the window is dirty. - i know. it _ for weeks.a. hasnt cleaned b. didnt clean c. wasnt cleaned d. hasnt been cleaned6.the scientist _ the experiment for half a year, but he _ yet. a. made; didnt succeed b. made; hasnt succeededc. was making; didnt succeed d. has been making; hasnt succeeded7. - i _ so busily recently that i _ no time to help you. - thats ok. i can manage it by