内容正文:
译林英语七上Unit8语法讲解及习题:
现在进行时(Present continuous tense)
一、语法核心精讲
1. 时态定义与适用场景
现在进行时用来表示此时此刻正在进行的动作,或现阶段正在进行但此刻不一定在做的动作。
标志词:now, look, listen, at the moment等。
例句:
Look! They are dancing on the stage.(此刻正在跳舞)
Our school is having a show to celebrate New Year.(现阶段正在进行的活动)
2. 句式结构
句式
结构
例句
肯定句
主语 + am/is/are + 动词-ing + 其他
I am playing the piano.
He is playing the violin.
They are playing lively music.
否定句
主语 + am/is/are + not + 动词-ing + 其他
She isn’t playing the piano now.
We aren’t dancing at the moment.
一般疑问句
Am/Is/Are + 主语 + 动词-ing + 其他?
Is he playing the violin? → Yes, he is. Are they dancing? → No, they aren’t.
特殊疑问句
疑问词 + am/is/are + 主语 + 动词-ing + 其他?
What is she doing? → She is playing the piano.
3. 动词-ing形式变化规则
动词类型
变化规则
示例
一般动词
直接加-ing
walk → walking
以不发音的e结尾
去e加-ing
welcome → welcoming
以ie结尾
变ie为y加-ing
lie → lying
以“元音+辅音”结尾且重读闭音节
双写辅音字母加-ing
put → putting;sit → sitting
二、练习题
(一)基础题:动词-ing形式转换(15题)
写出下列动词的-ing形式:
1. make → ____________
2. water → ____________
3. cook → ____________
4. sit → ____________
5. eat → ____________
6. watch → ____________
7. dance → ____________
8. shop → ____________
9. clean → ____________
10. get → ____________
11. lie → ____________
12. put → ____________
13. welcome → ____________
14. run → ____________
15. swim → ____________
(二)进阶题:现在进行时填空(12题)
用括号内动词的现在进行时形式填空:
1. My mum __________________ (make) spring rolls now.
2. My grandpa __________________ (water) the flowers at the moment.
3. They __________________ (cook) dinner in the kitchen.
4. Shirley __________________ (sit) on the chair and playing with toys.
5. We __________________ (eat) dinner together at the table.
6. I __________________ (watch) a TV show about New Year.
7. Sandy __________________ (watch) the Vienna New Year’s Concert on TV.
8. What __________________ they __________________ (play)?
9. Some people __________________ (dance) to the music.
10. __________________ your parents __________________ (watch) with you?
11. My dad __________________ (shop) in the supermarket.
12. We __________________ (get) ready for a big family dinner.
(三)提升题:句型转换(带划线提示,10题)
按要求改写句子(下划线部分为需转换/提问的内容):
1. She is playing the piano.(改为否定句)_____________________________________________________________________
2. They are dancing on the stage.(改为一般疑问句并作否定回答)
_____________________________________________________________________
_____________________________________________________________________
3. He is playing the violin.(对划线部分提问)
_____________________________________________________________________
_____________________________________________________________________
4. We are having a show.(对划线部分提问)
_____________________________________________________________________
5. I am watching TV.(改为一般疑问句并作肯定回答)
_____________________________________________________________________
_____________________________________________________________________
(四)综合题:短文填空(1篇)
用括号内动词的现在进行时形式填空:
It’s New Year’s Eve. My family (1) ____________ (prepare) for the big dinner. My mum (2) ____________ (cook) dumplings in the kitchen. My dad (3) ____________ (clean) the living room. My sister (4) ____________ (make) paper cuttings for the windows. I (5) ____________ (help) my grandma set the table. Look! My little cousin (6) ____________ (play) with fireworks in the yard. We (7) ____________ (wait) for midnight to come and (8) ____________ (look) forward to the new year!
三、答案+解析
(一)基础题答案
1. making(去e加-ing)
2. watering(直接加-ing)
3. cooking(直接加-ing)
4. sitting(双写辅音加-ing)
5. eating(直接加-ing)
6. watching(直接加-ing)
7. dancing(去e加-ing)
8. shopping(双写辅音加-ing)
9. cleaning(直接加-ing)
10. getting(双写辅音加-ing)
11. lying(变ie为y加-ing)
12. putting(双写辅音加-ing)
13. welcoming(去e加-ing)
14. running(双写辅音加-ing)
15. swimming(双写辅音加-ing)
(二)进阶题答案
1. is making(主语mum是第三人称单数)
2. is watering(主语grandpa是第三人称单数)
3. are cooking(主语they是复数)
4. is sitting(主语Shirley是第三人称单数)
5. are eating(主语we是复数)
6. am watching(主语I用am)
7. is watching(主语Sandy是第三人称单数)
8. are; playing(特殊疑问句,主语they用are)
9. are dancing(主语people是复数)
10. Are; watching(一般疑问句,主语parents是复数)
11. is shopping(主语dad是第三人称单数)
12. are getting(主语we是复数)
(三)提升题答案
1. She isn’t playing the piano.(否定句在is后加not)
2. Are they dancing on the stage? → No, they aren’t.(一般疑问句将are提前)
3. What is he doing?(划线部分是动作,用what提问)
4. What are you doing?(划线部分是动作,用what提问)
5. Are you watching TV? → Yes, I am.(一般疑问句将are提前)
(四)综合题答案
1. are preparing(主语family指家庭成员,复数)
2. is cooking(主语mum是第三人称单数)
3. is cleaning(主语dad是第三人称单数)
4. is making(主语sister是第三人称单数)
5. am helping(主语I用am)
6. is playing(主语cousin是第三人称单数)
7. are waiting(主语we是复数)
8. are looking(与waiting并列,保持一致)
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