新概念英语第一册 Lesson 117
一、核心知识点
1. 过去进行时（was/were doing）
含义：表示过去某一时刻正在进行的动作，或过去某一阶段一直在进行的动作。
结构：主语+was/were+动词ing
例句：I was doing my homework at 8:30 last night.
2. 单词：drop
含义：掉落、落下
例句：Sam dropped his wallet on the way home.
3. 短语辨析：look for & find
- look for：寻找，强调动作
例句：They are looking for the missing boy.
- find：找到，强调结果
例句：They found the missing boy finally.
4. 连词：while
用法：后接动词ing形式，主句常表示突然发生、意料之外的动作。
例句：
While I was writing a letter, someone called me.
While we were having breakfast, our little boy, Tommy, found two small coins on the floor.
5. 同位语
含义：两个名词指代同一个人/事物，起到解释说明作用。
例句：
Our little boy, Tommy, found two small coins on the floor.
Mrs Smith, our English teacher, is a very kind teacher.
6. 过去完成时（had done）
含义：表示过去的过去发生的动作，必须有过去的时间作为参照。
标志词：already（常用于完成时）
例句：
She found the key that she had lost last week.
He had already swallowed them.
7. 句型：have/has been to
含义：曾经去过某地（已回来）
例句：
Tommy's been to the toilet three times this morning.
She has been to Paris twice.
8. 单词：change
含义：
① 零钱（不可数）
② 变化（可数，changes）
例句：Great changes have taken place in my hometown.
二、练习
第一题：单词拼写（根据中文写英文）
1. 厕所______
2. 以后______
3. 硬币______
4. 嘴______
5. 吞下______
第二题：句子翻译
1. 到处都是硬币。
____________________________________
2. Our little boy Tommy found two small coins on the floor.
____________________________________
3. 我丈夫从办公室打电话来。
____________________________________
第三题：圈出正确答案
1. He ____ at 9 this morning.
A. is writing B. was writing
C. has written D. wrote
2. She was swallowing the cake when Li Dong ____ into the room.
A. come B. came C. coming D.comes
3. She knows ____.
A. they all B. all they
C. all them D. them all
4. Tom had already ____ them.
A. swallowed B. swallow
C. swallowing D. swallows
5. While we ____ breakfast, Tommy ____ two coins on the floor.
A. were having, found
B. were having, looked for
C. had, found
D. had,was looking
三、答案
第一题：单词拼写
1. toilet
2. later
3. coin
4. mouth
5. swallow
第二题：句子翻译
1. There are coins everywhere.
2. 我们的小儿子汤米在地板上发现了两枚小硬币。
3. My husband phoned from the office.
第三题：单项选择
1. B
2. B
3. D
4. A
5. A
新概念英语第一册 Lesson 118
一、核心知识点
1. 过去进行时
含义：表示过去某个时刻正在进行的动作，或过去某一阶段正在进行的动作。
结构：主语 + was/were + 动词-ing
常用时间状语：then、at that time、at that moment、this time yesterday
句式结构
- 肯定句：I was having a bath when he arrived.
- 否定句：He wasn't cooking at 6:00 pm last night.
- 一般疑问句：Were they watching TV when you arrived home?
回答：Yes, they were. / No, they weren't.
- 特殊疑问句：What were you doing when the rainstorm came?
回答：I was having dinner with my family.
三种具体用法
1. 表示过去某一时刻正在进行的动作
They were dusting the windows when I came in.
2. 表示过去某一阶段一直进行的动作
He was writing in the room the whole afternoon.
3. 表示过去两个动作同时进行
He was cleaning his car while I was cooking.
2. 连词 while 用法（对比）
含义：连接两个同时进行的过去进行时动作，可表示动作对比、或者场景对比。
例句：He was cleaning his car while I was cooking.
二、练习
第一题：用 when 合并句子
1. He arrived. I had a bath.
____________________________________
2. The phone rang. I washed the dishes.
____________________________________
3. It rained heavily. I drove to London.
____________________________________
第二题：用所给动词的正确形式填空
1. We ____ (have) a meeting when he came last week.
2. She ____ (dust) the windows at that moment.
3. My wife ____ (wash) the clothes while I ____ (read) the newspaper.
第三题：圈出正确答案
1. He ____ some cooking at that time, so he ____ me.
A. did; heard
B. did; didn't hear
C. was doing; heard
D. was doing; didn't hear
2. What ____ your sister ____ this time yesterday.
A. is; doing B. had; done
C. was; doing D. did; do
3. She ____ the room when I went to their house.
A. doesn't clean B. didn't clean
C. isn't cleaning D. wasn't cleaning
4. ____ you ____ a film at nine last night.
A. Were; seeing B. Did; see
C. Are; seeing D. Do; see
三、答案
第一题：用 when 合并句子
1. When I was having a bath, he arrived.
2. I was washing the dishes when the phone rang.
3. When I was driving to London, it rained heavily.
第二题：动词正确形式填空
1. were having
2. was dusting
3. was washing；was reading
第三题：单项选择
1. D
2. C
3. D
4. A
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