1.You musn't throw the rubish in river
2.You must save water
3.You must teach somebody save the nature.
4.You must help janitors
5.You must help animals
6.You musn't do something which is not good for nature.
7.You musn't set a bad example
8..You musn't hunt on animals
9.You have to help keep our pollution clear
10.You must grow tress
11.You musn't throw anything in river
12You must throw batteries in special box
13.You must grow flowers
14.You musn't break trees.
15.You musn't burn grass
16.You must keep your city in purity.
17.You musn't destroy the garden
18.You musn't kill the fishes
19.You musn't smoke
20.You must follow these instructions
№1
1) We are having a test tomorrow.
We aren't having a test tomorrow.
Are we having a test tomorrow?
Who are having a test tomorrow?
2)She is using my dictionary at the moment.
She isn't using my dictionary at the moment?
Is she using my dictionary at the moment?
Who is she using at the moment?
3) George goes swimming three times a week.
George doesn't go swimming three times a week
Does George go swimming three times a week?
How often does George go swimming?
4)My cousin John is standing in the doorway.
My cousin isn't standing in the doorway.
Is my cousin standing in the doorway?
Where is my cousin standing?
5)This car is modern and very expensive.
This car isn't modern and very expensive.
Is this car modern and very expensive?
What car is it?
6)Michael knows German rather well.
Michael doesn't know German rather well
Does Michael know German rather well?
Whom does Michael know rather well?
№2
1. I will go shopping at the weekend.
I won't go shopping at the weekend
Will I go shopping at the weekend?
Where will I go at the weekend
2. He will work at a factory after the college.
He won't work at a factory after the college
Will he work at a factory after the college?
Who will work at a factory after the college?
3. She will sleep after dinner.
She won't sleep after dinner
Will she sleep after dinner?
When will she sleep?
4. We will travel to the sea in summer.
We won't travel to the sea in summer
Will we travel to the sea in summer?
What will we do in summer?
5. They will drink tea tonight.
They won't drink tea tonight
Will they drink tea tonight?
When will they drink tea?
6. Mike will be a student next year.
Mike won't be a student next year
Will Mike be a student next year?
Who will be a student next year?
7. Helen will have a car next month.
Helen won't have a car next month
Will Helen have a car next month?
What will Helen have next month?
