英语在用：初级语法3
Unit 3 I am doing（现在进行时）
A
I’m eating.
She’s eating.
She isn’t eating.
It’s raining.
The sun isn’t shining.
We’re running.
They’re running.
They aren’t walking.
现在进行时的形式为：
am/is/are + doing/eating/running/writing等。
I
am (not)
-ing
he
she
it
is (not)
we
you
they
are (not)
I’m working. I’m not watching TV.
Maria is reading a newspaper.
She isn’t eating.（或She’s not eating.）
The phone is ringing.
We’re having dinner.
You’re not listening to me.（或You aren’t listening ...）
The children are doing their homework.
B am/is/are + -ing表示“现在正在发生某事”
I’m working
she’s wearing a hat
they’re playing football
I’m not watching television
Please be quiet. I’m working. (= I’m working now)
Look, there’s Sarah. She’s wearing a brown coat.
The weather is nice. It’s not raining.
‘Where are the children?’ ‘They’re playing in the park.’
(on the phone) We’re having dinner now. Can I phone you later?
You can turn off the television. I’m not watching it.
拼写
come – coming
write – writing
dance – dancing
run – running
sit – sitting
swim – swimming
lie – lying
Exercises
3.1 下列图片中的人正在做什么？用所给动词完成句子。
eat have lie play sit wait
1 ________________________ an apple.
2 He _____________________ for a bus.
3 They ________________________ football.
4 ________________________ on the floor.
5 ________________________ breakfast.
6 ________________________ on the table.
3.2 用下列动词完成句子。
build cook go have stand stay swim work
1 Please be quiet. I ________________________.
2 ‘Where’s John?’ ‘He’s in the kitchen. He ________________________.’
3 ‘You _______________________ on my foot.’ ‘Oh, I’m sorry.’
4 Look! Somebody________________________ in the river.
5 We’re here on holiday. We ________________________ at the Central Hotel.
6 ‘Where’s Sue?’ ‘She ________________________ a shower.’
7 They ________________________ a new hotel in the city centre at the moment.
8 I ________________________ now. Goodbye.
3.3 根据图片内容，用She’s -ing或She isn’t -ing句式写出有关简的句子。
1 (have dinner) ________________________________________________________________________
2 (watch television) ________________________________________________________________________
3 (sit on the floor) ________________________________________________________________________
4 (read a book) ________________________________________________________________________
5 (play the piano) ________________________________________________________________________
6 (laugh) ________________________________________________________________________
7 (wear a hat) ________________________________________________________________________
8 (write a letter) ________________________________________________________________________
3.4 此时正在发生什么事情？根据真实情况造句。
1 (I / wash / my hair) ________________________________________________________________________
2 (it / snow) ________________________________________________________________________
3 (I / sit / on a chair) ________________________________________________________________________
4 (I / eat) ________________________________________________________________________
5 (it / rain) ________________________________________________________________________
6 (I / learn / English) ________________________________________________________________________
7 (I / listen / to music) ________________________________________________________________________
8 (the sun / shine) ________________________________________________________________________
9 (I / wear / shoes) ________________________________________________________________________
10 (I / read / a newspaper) ________________________________________________________________________
