Task 2.
1. I don't think aliens are green.
3. They really exist.
5. There are billions and billions of planets in the universe.
6. There are probably millions and millions that have alien life.
7. Some of the aliens are intelligent.
Task 3.
1. In the North of Kazakhstan it is cold AND windy in winter.
2. In Astana the weather is hot in summer BUT it is cold in winter.
3. In the West of Kazakhstan the weather is warm and rainy OR windy and hot in summer.
4. In Almaty the weather is warm and sunny BECAUSE it is in the South of Kazakhstan.
5. In the mountains it is very hot during the day BUT very cold at night.
Task 4.
1. There are 5 toys in the box.
2. There is a big litaken in my house.
3. There are many cars in the street.
4. There is a museum in the city.
5. There is a book on the table.