IW. Read the article again and answer the questions, 1. What are the main pollutants of atmosphere?
2. Why are aerosols harmful for the environment?
3. What is the function of the ozone layer?
4. What pollutes the water and the soil?​

Finishing
Going
Doing
Crying
Showing
Raining
Writing
Breaking
Lying
Building

9
1 I am writing an English exercise now.
I was writing an English exercise at 7 o'clock yesterday.
I will be writing an English at 6 o'clock tomorrow.

2 My little sister is sleeping now.
My little sister was sleeping from 5 till 9.
My little sister will be sleeping at 5 o'clock tomorrow

3 My friend isn't doing his homework.
My friend wasn't doing his homework all day yesterday.
My friend won't be doing homework at 8 o'clock tomorrow.

4 They are playing volleyball.
They were playing volleyball yesterday morning.
They will be playing volleyball at 9 o'clock tomorrow.

5 Are you eating ice cream?
Were you eating ice cream all day?
Will you be eating ice cream at 4 o'clock tomorrow?

10
He played tennis yesterday.
My sister wasn't playing the piano at 4 o'clock yesterday.
She did her homework yesterday.
When I went to school the day before yesterday.

Is he talking about me? (обо мне)

Does she know he? (его)

Don’t touch this! (это)

He gave she a beautiful flower. (ей)

She gave me good advice. (мне)

Tom is staring at we. (на нас)

Alice saw me in the street. (меня)

Alex bought this skirt for you. (для тебя)

I know he very well. (его)

I love you. (тебя)

She sent a letter to they. (им)

He wants to go with you. (с вами)

Read this newspaper.She is very interesting. (она)

Jim looked at we in silence. (на нас)

Show she the journal. (ей)

Show the newspaper to he. (ему)

Take as as you find us. (нас

Bring this! (это)

Tell he to call me up right now. (ему)

Tell me everything about they (о них)

This bag is for you. (для вас)

This passage was translated by she. (ею)

This article was written by them. (им)

Where is the pencil-box? He is on the table. (он)

Who broke the dish? – Not me! (я)