Cppt课件教学实录

Unit 4 Then and now C Story time

中庄明德寄宿制学校

李伟鸣

Story time

eat raw meat cook their food 吃生肉

做饭

帮你做饭

家务机器人

洗碗洗盘子

煮肉

洗碗洗盘子

help you cook house robots wash the dishes cook their meat do the dishes live on the earth live in the sea have a bright future heal the world Make it a better place! 住在地球上

住在大海里

有广阔的前景

拯救世界

让它变成更好的世界！

many clean rivers more and more buildings help the earth Don’t worry!

How beautiful the world was! P41 1.ate（原形）____ 2. meat(同音词)____ 3. dish（复数）___ 4. many（比较级）_ 5. human(过去式) __ 6. lived (原形)___ 7. sea(同音词) ____ 8. have(过去式)____ 9. better(原级) __ 10. caveman(复数)__ eat meet dishes more humans live see

had

good

cavemen Try your best! I . They cooked their food.( 否定句）

They didn’t cook their food. 2. There were many trees. (一般疑问句）

Were there many trees? 3. We should help the earth. (一般疑问句）

Should you help the earth? 4. Whales lived in the sea. ( 否定句）

Whales didn’t live in the sea.

Chen Jie was short. Now she is 1.5 metres tall. It was an egg. Now it is a hen. It was raining. Now it is sunny. In summer, the tree was green. Now it is yellow. There was a building before. Now it is a park. The cat was on the chair. Now it is under the chair. 一.一般过去时的概念

表示过去某个时间发生的动作或存在的状态

1. 概念

past now future 2.时间

yesterday (morning …) last (year, week, night, month…) in 1990 (过去的年) two days ago the day before yesterday just now = a moment ago 3. 结构

主语

+ 动词的过去式

+ 其它

二.动词过去式的构成

一. 规则动词

1）一般在动词原形末尾加– ed look play start live hope use looked played started lived hoped used 2）结尾是

e 的动词只加

-- d 3）末尾只有一个辅音字母的

重读闭音节词，先双写这

个辅音字母，再加—ed 4）结尾是“辅音字母+y”的词，

先变“y”为“i”再加—ed stop plan trip study carry stopped planned tripped studied carried 三. 一般现在时和一般过去时句型结构的异与同

含有

be 动词的句型? 一般现在时表示某人某物

现在的状态，性质等．eg: I am a teacher now. She(He) is a singer. We They are happy. You 一般过去时表示过去时间

内某人某物存在的状态，

性质等．eg: I was a teacher last year. She(He) was a singer. We You were happy. They? 不含

be 动词的句型? 一般现在时用来表示习惯性，经常

性发生的动作．

主语＋动词原形＋其它

主语(单三)＋动词现在式(+s)＋其它? 一般过去时用来表示在过去的时

间里发生的动作．

主语＋动词过去式（+ed)＋其它

eg: 1）I go to work by bus everyday 2）you watch TV everynight. 3）we play basketball on the weekends. 4）They have lessons everymoring. eg: 1）I went to work by bus yesterday. 2）you watched TV last night. 3）We played basketball last weekend. 4）They had lessons two days ago. are (be)a lovely girl. 4) You ___ 5) They are ___ (be) my parents. 6) They ______ were (be) farmers two years ago. was (be) a baby long long ago. 7) Mike ______ were 8) We __________ (be) at home last night. 10) He 11) I was here yesterday. (be) got up at 6:00 yesterday morning.(get) 12) Did you have a good time last Sunday? (have) 13) My father wentoften to work by bus last year.(go) 14) I often listened to pop music 3 years ago. (listen) 15) He usually swam in the pool in 2002. (swim) was 16) I _____(be) ill last Sunday. sat (sit) here yesterday. 17) Amy _____ Did you clean 18) ____ ______(clean) your room just now. 19) My sister _____ was (be) born on June 5. 1996. Were 20) _____ (be) your parents at home just now? 21) He studied _______ (study) French here last year. did (do) homework last night. 22) She _____ went 23) They _____(go) to the zoo yesterday morning. had (have) a party last Saturday. 24) We _____ 25) Joy visited ______ (visit) me yesterday evening. lived (live) here two years ago. 26) They ______ was 27) He _____(be) here a moment ago. 2. 用动词的适当形式填空

is (be) our English teacher. 1) She ___

are (be)my classmates. 2) Tom and Nike ___ 3) I am ___ (be)a student.