七年级英语暑假专题-现在进行时的基本用法和构成-北师大版-知识精讲.doc

七年级英语暑假专题 现在进行时的基本用法和构成 北师大版

【本讲教育信息】
一. 教学内容：
暑假专题——现在进行时的基本用法和构成、比较一般现在时和现在进行时

二. 教学重点和难点：
1. 现在进行时的构成
2. 现在分词的构成

三. 具体内容：
（一）现在进行时的基本用法
1. 表示此时此刻正在进行或发生的动作。
Eg. They are working now.
2. 表示现阶段一直在进行的动作。
Eg. The workers are building the new house these days.
3. 动词go, come, leave等可以用现在进行时表示一个在最近按计划或安排要发生的动作。
Eg. They are leaving for Shanghai tomorrow.

（二）现在进行时的常用时间状语：now, right now, at the same time, look, listen…

（三）构成：be+v-ing
肯定句：Tom is doing his homework now.
否定句：Tom is not doing his homework now.
一般疑问句：Is Tom doing his homework now?
Yes, he is. / No, he isn’t.

（四）动词现在分词的构成：
1. 一般在词尾加-ing do—doing read—reading
2. 以不发音的字母e结尾的动词，去掉e，再加-ing. write—writing arrive—arriving
3. 以重读闭音节结尾，末尾只有一个辅音字母，应先双写该辅音字母，再加-ing
get—getting run—running

（五）都是现在却不同—比较一般现在时和现在进行时
Eg. As a student, I go to school on weekdays. I usually get up at seven in the morning and have breakfast at half past seven. I go to school at eight and lessons start at nine. It’s half past three now. We’re not having any lessons. Sara is switching off our computer. Karl is putting on his coat.We are all getting ready for leaving
1. 意义
一般现在时可用来表示经常性、习惯性的动作或状态。
He goes to school by bus every day.
也可表示主语现在具有的性格或能力。
They like sports.
She speaks a little Japanese.
现在进行时可表示现在（说话的瞬间）或现阶段正在发生的动作。
They are cleaning the classroom now.
We are learning something about the Spring Festival these days.
2. 常用语境。
一般现在时常用于说明性文章。
Lions comes from Africa.
及新闻报道中对某人日常生活的描述。
Liu Xiang likes singing and he often sings with his friends.
现在进行时用于电话、网上聊天等非面对面的情况。
Are you listening to me? Yes, I am.
以及对图片、电视画面等进行解释说明。
In the photo, I am crying.

四. 课堂练习
（一）单选
1. Look! The children trees on the hill.
A. play B. will plant C. are planting D. planted
2. Don’t make any noises. We to music.
A. listened B. listen C. are listening D. have listened
3. She is a red blouse today.
A. putting B. putting on C. wearing D. wearing on
4. Lily, you reading a book?
A. is he B. are you C. you are D. is he
5. he doing over there?
A. What’s B. What C. What do D. Who

（二）用所给单词的适当形式填空
1. My sister (read) a book in her room now.
2. —What you (talk) about? —We’re talking about our school.
3. My friends (not play) football on Sundays.
4. —What are you doing?
—We ( listen) to music.
5. They (not have) an English class, but they (have) an art lesson at the moment.

（三）句形转换
1. He is cooking in the kitchen now.（改为否定句）

2. They are doing sports on the playground.（就划线部分提问）

3. Lucy is singing in the next room. （就划线部分提问）

4. Are they cleaning the classroom?（肯定回答）

5. She is drawing a picture.（改为一般疑问句）

以上答案请见名师面授！

【模拟试题】（答题时间：25分钟）
一. 选择正确答案。
1. —Where is Bill?
—He .
A. at home B. at school
C. is reading by the river D. read in bed
2. The old man is very . He doesn’t like telling jokes.
A. funny B. friendly C. serious D. honest
3. Mary the piano, but I it.
A. like, doesn’t like B. likes, doesn’t like
C. likes, don’t like D. like, doesn’t likes
4. —Is Jim reading or talking?
— .
A. Yes, Jim is B. He’s reading C. Yes, he does D. Yes, he is
5. — are they playing football?
—On the playground.
A. Who B. What C. How D. Where

二. 用所给单词的适当形式填空。
1. He (come) from France.
2. Can you ( write) to me soon?
3. I want (make) a pen pal in New York.
4. Now, they (watch) TV.
5. She often (read) in the morning.
6. Look! Lucy (run) on the road.
7. It (snow). (put) on your scarf if you go out.
8. What about (go) fishing?
9. Thank you for (give) help to me.
10. Don’t (do) it again.
【试题答案】
一. 1—5 C C C B D
二. 1. comes 2. write
3. to make 4. are watching
5. reads 6. is running
7. is snowing, put 8. going
9. giving 10. do

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