8B Unit1 Welcome to the unit导学案

8B Unit1 Welcome to the unit导学案8B Unit 1 Past and present Welcome to the unit 班级______________ 姓名______________ 学号______________ 【教学目标】 1. 识记北京不同时代的交通工具。

2. 通过观察时间表并排列信息，复习现在完成时这一语法概念。

3. 理解反义词。

掌握基本的形容词反义前缀。

4. 在语境中使用恰当的形容词表达肯定和否定的意思。

【教学内容】 1. 四会内容词汇：past n. present n. since prep. & conj. unhealthy adj. unlucky adj. unpleasant adj. 词组：not…any more play with 句型：Eddie, have you seen my food? I’ve just eaten it. 2. 三会内容词汇：transport n. times n. double-decker n. light rail n. opposite n. 教师评价家长签字【旧知回顾】一、用所给单词的适当形式填空。

1. She __________ (study) English since she was ten. She __________ (begin) to study English when she was ten. 2. We __________ (not finish) our homework yet. Will you wait a minute? 3. It __________ (rain) for a long time, and everything feels wet. 4. ________ your father ever ________ (travel) by plane? 5. My father __________ (be) to Paris twice. He __________ (go) there again next month.6. We __________ (meet) him yesterday, and we __________ (meet) him before.7. I __________ (see) the film already. I __________ (see) it the day before yesterday.8. Jim isn’t here. He__________ (go) to the library. He __________ (go) there an hour ago. 9. ________ you ________ (find) my pen yet? It __________ (be) around here a minute ago. 10. ---________ you ________ (have) breakfast yet? ---Yes, I have. ---When ________ you________ (have) it? ---Just now.二、用所给的时间副词填空。

already yet just ever never since for recently 1. I have been in this city ________ nearly two years. 2. He has ________ done his homework. Now he can have a rest. 3. ---Did you see our teacher just now? ---Yes, she has________ gone to the office. 4. ---Have you ________ been to Hainan Island? ---No, I have ________ been there before. 5. He has had a cold ________ he came here. 6. I haven’t heard from my friends ________. 7. Simon has lived here ________ last year.8. ---Have you finished your homework ________? ---Yes, I have.I have ________ finished it. 【课前预习】一、在课文中划出下列短语并翻译。

1. Have you seen my food?_________________ 2. I’ve just eaten it.___________________ 3. You’ve changed._______________________ 4. over the past 100years_______________ 5. do a history project on the changes in Beijing 6. I don’t want to play with you any more.______________________________________________________________________ 7. transport at different times_______________ 8. back to the past_____________________ 9. have an interview with sb._______________ 10. tell me a lot about his past___________ 11. be lonely from time totime_____________ 12. as often as before___________________ 13. He is lucky enough to see the changes to SunshineTown.____________________________二、写出下列形容词的反义词。

cheap__________ happy__________ correct__________ honest__________ easy__________long__________ kind__________ polite__________fast__________ hot__________ pleasant__________possible__________ new__________ same__________lucky__________ healthy__________三、语法小贴士。

1．ago和before的区别 1) ago为副词，意为“以前”。

“一段时间+ ago”，常用于一般过去时。

e.g. 两天前我去拜访他，但是现在他已经去了上海。

I ________ him two days________, but now he ________ ________ to Shanghai. 2) before 作副词，可单独使用，常与现在完成时或过去时连用。

ago则不能单独使用。

e.g. 我以前从未见过他。

I ________ never ________ him________. 3) before作介词，后接某点时间；作连词，引导时间状语从句。

ago不能作介词和连词。

e.g. 他会在5点钟以前回来。

He will be back ________ five o’clock. 我离家前将给你打电话。

I’ll ring you up ________ I leave home. 2．time的用法 1) time 意为“时间”，作不可数名词。

e.g. 青少年们不应该浪费时间。

Teenagers shouldn't waste ________. 2) time意为“时代”，“时期”，作可数名词。

e.g. 看看在不同时代的交通工具。

Look at the transport at different ________. 3) time意为“次”，“回”，作可数名词。

e.g. 我已经告诉你几次了。

I have told you about it several ________. 【教学过程】 Step 1. Lead-in Have a discussion. Ask and answer some questions. Step 2. Presentation Present the pictures of the transport at different times. Teach their names. Finish Part A & B on P 7. Step 3. Practice Make a dialogue like this. A: When did people begin to use buses in Beijing? B: People began to use them in 1935. Buses have been in use since 1935. Step 4. Comic strip Listen, read and answer. Act out the dialogue. Step 5. Vocabulary Remember the opposites. Finish the exercises on Page 12. 【巩固练习】一、根据中文或首字母提示，完成单词。

1. My cousin Millie is working in the USA at p__________. 2. There are different forms of t__________ at different times. 3. The plane is much faster than thel__________ r__________. 4. His son didn't study hard in the p__________. 5. Great changes have taken place __________ (自从) 1949 in Zhenjiang. 6. We had an __________ (采访) with our Maths teacher yesterday afternoon. 7. It’s an __________ (不愉快的) trip. I felt sick most of the way. 8. Sometimes Mr. Dong feels l__________ because he misses his old friends.二、用所给单词的适当形式填空。