Section B 3a —4 Self check国家获奖教案

Section A 3 (Grammar focus-4c) 教学目标：

1 语言目标：能运用过去时态描写过去发生的事情

2 技能目标：能听懂有关过去发生事件，能简单描写过去发后的事件

3 情感目标：能过学习本课，培养学生在困境中互帮互助的品质

教学重点；学习“过去进行时态”

教学难点:

when, while引导的时间状语从句中的一般过去时和过去进行时

Step 1 Revision Look at the pictures and make up the sentences. Step 2 Grammar Focus 根据汉语意思完成句子。

昨晚八点你在做什么？

What ________________ at eight last night? 我在冲澡。

I ___________________. 暴风雨来的时候她在做什么？

What _____________ at the time of the rainstorm? 她在做家庭作业。

She _______________________. 暴风雨来的时候他在做什么？

What was he doing ______ the rainstorm came? 暴风雨来的时候他在图书馆看书。

He was reading in the library ______________________. 开始下大雨的时候本在做什么？

What was Ben doing _____ it began to rain heavily? 开始下雨的时候本在帮他妈妈做晚饭。

When it began to rain, Ben ___________ his mom make dinner. 琳达在睡觉的时候，珍妮在做什么？

What was Jenny doing _____ Linda was sleeping?

琳达在睡觉的时候，珍妮在帮助玛丽做作业。

_______________________, Jenny was helping Mary with her homework. Step 3

过去进行时

1. 构成及用法

过去进行时由“was / were +动词-ing”构成，表示在过去某一时刻或某一段时间正在进行的动作。常与过去进行时连用的时间状语有at eight / nine ... (o’clock) yesterday morning, at that time，from eight to ten yesterday morning等。

如: Alice was doing her homework at six yesterday evening. Mike and his brother were playing soccer from three to four yesterday afternoon. 2. 句式

肯定式：

主语+was/were+动词-ing (+其他). 如：I was swimming at that time. 否定式: 主语+wasn’t/weren’t +动词-ing (+其他).

如：They weren’t listening to music at ten yesterday morning. 疑问式: Was / Were+主语+动词-ing (+其他)?

其肯定回答为：Yes,

主语(人称代词)+ was / were.；

否定回答为：No,

主语(人称代词)+ wasn’t / weren’t.

如：—Was Joe reading at the time of the rainstorm? —Yes, he was. / No, he wasn’t. 过去进行时和现在进行时的区别

现在进行时

含义: 表示现在正在进行的动作。

结构：

is/am/are + doing e.g. I am having an English class.

过去进行时

含义: 表示过去某个时刻正在进行的动作。

结构:

was/were + doing e.g. I was having an English class at this time yesterday.

过去进行时和一般过去时的区别

基本用法

过去进行时

表示在过去的某一时刻或某一时间正在进行的动作。

结构形式

时间状语

主语

+ was/were + V-ing形式

at 7 yesterday, at that

time, this time last

night等;when与while 引导的时间状语从句。

友情提示

表示一个过去正在进行而可能尚未完成的动作。

过去进行时表示过去正在进行的动作, 而一般过去时则表示一个完整的动作。

e.g. They were writing letters to their friends last night.

昨晚他们在写信给他们的朋友。

(没有说明信是否写完) They wrote letters to their friends last night.

他们昨晚写了信给他们的朋友。

(表达了他们已写好的意思, 整个写的过程已完成。) 过去进行时中的when和while when和while都可表示“当……的时候”, 引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？

请仔细观察下面的例句，然后补全空格中的内容。

①

I was walking to school when I saw a cat in a tree. ②When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的，而从句动作是短暂性的，此时用______引导时间状语从句，主句用__________时态，从句用一般过去时态。

表示过去已经完成的动作。

一般过去时

过去某个时间发生过的动作或存在的状态。

主语

+ 动词过去式

yesterday, last week, in 1993, once, before, a few days ago等。

③

While I was sleeping in the bedroom, someone knocked at the door. ④

David fell while he was riding his bike. 主句的动作是短暂性的，从句的动作是持续性的，此时用_______引导从句，主句用__________时态，从句用过去进行时态。

⑤

While Andy was waiting for the bus, he was reading a newspaper. ⑥

He was cleaning his car while I was cooking. 主句和从句的动作在过去的某时刻或某段时间同时发生, 而且动作都是持续性

的, 此时用_______引导从句, 而且主句和从句都用_________时态。

根据汉语意思完成英语句子。

1) 今天上午十点我妈妈在洗衣服。

My mother _____________ clothes at ten this morning. 2) 当他离开时，我正在读书。

I _________________ he ______. 3) 我参观博物馆时，我姐姐在打电话。

My sister _________________ I ________________ the museum. 根据括号内的要求完成下列各题。

1) We were playing football at five yesterday afternoon.(改为否定句) 2) Jane was taking a shower at nine last night.(改为一般疑问句并作肯定回答及否定回答) 中考链接

1) When you _____me last night, I _____the piano. (2017年甘肃兰州)

A. were calling; was playing B. were calling; played

C. called; played

D. called; was playing 2) --- Did you hear someone knock at the door just now?

--- Sorry, I_______ to my friend on the phones. (2017成都)

A. was talking

B. talked C. am talking 3) --- When did the classroom have power cut?

-- This morning, while we ______ a physics lesson. (2017 南京)

A. have had

B. were having

C. are having

D. will have

4) --- What is the matter, Jack?

--- I ______ down while I ____ on the ice. I got hurt badly. (2017四川达州)

A. was falling, skated B. fell, was skating

C. fell, skated

D. was falling, was skating Step 4

活学活用

4a Look at the table and write sentences with both while and when.

John

take photos

play the piano

clean his room

shop

Mary

buy a drink

leave the house

turn on the radio

take the car to the car wash 4b

Fill in the blanks with was, were, when or while.

At 7:00 a.m., I woke up. _____ I ____ making my breakfast, my brother ______ listening to the radio. ________ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _____ we got to the place of the accident, the car _____ in bad shape from hitting a tree. But luckily the driver ____ fine. The roads ______ icy because of the heavy snow from the night before. Step 5 Speaking 4c What were you doing at these times last Sunday? Fill in the chart. Then ask your

partner.

4:00 p.m. 9:00 p.m.

9:00 a.m. 11:30 a.m. You

Your partner

Step 6 Summary take photos 照相

clean up

打扫(或清除)干净

play the piano

弹钢琴 because of 因为

buy a drink 买饮料 have a look 看一看

leave the house 离开家

turn on the radio 打开收音机

take the car to the car wash 把车送到洗车处

You’re kidding!

你在开玩笑！

过去进行时的用法。

过去进行时与现在进行时的区别。

过去进行时与一般过去时的区别。

Step 7 Exercises I. 根据括号内的要求完成下列各题，每空一词（含缩略形式）。

1. He plays cards every evening. (用at eight last night替换every evening改写句子) He _____ _______ cards at eight last night. 2. She was making dinner when her brother came back.(对划线部分提问) ______ ______ she _________ when her brother came back? 3. Linda was cleaning the kitchen at the time of the strong wind.(改为否定句) Linda _______ _________ the kitchen at the time of the strong wind. 4. They were watching a comedy at four o’clock yesterday afternoon.(改为一般疑问句) _______ they _________ a comedy at four o’clock yesterday afternoon? 5. Was his father reading a magazine at that time?(补全否定答语) No, ___ _________. Ⅱ. 根据各题后括号内的要求完成下列各题，每空一词（含缩略形式）。

1. I was running in the park at 7:00 yesterday morning. (改为一般疑问句并作

肯定回答)

—________ ________ ________ in the park at 7:00 yesterday morning?

—________, ________ ________. 2. I was flying kites with my friends at this time last Sunday. (对划线部分提问)

________ ________ ________ ________ at this time last Sunday? 3. They were playing basketball from three to four yesterday. (改为否定句)

They ________ ________ basketball from three to four yesterday. Step 8 Homework Make some dialogues with the phrases and sentences in 4c.