Bus - buses, class - classes, brush -- brushes, box - boxes, tomato -- tomatoesread the theory and write the plurals.1 one brush - two 2 one boy - two.3 one girl - two 4 one box - two 5 one flag - two6 one tomato - two 7 one bus - two.8 one watch - three • days of the week​

1)brushes
2)boys
3)girls
4)boxes
5)flags
6)tomatoes
7)buses
8)watches

1. I could help you. I will help you.
2. He could not do it him self. He will can do it himself
3. We could show you how to experiment with this substance. We will can show you how to experiment with this substance.
4. She could find a good answer. She will can find a good answer. 
5. He mayed stay here for some time. He will may stay here for some time. 
6. She mayed take this book home. She will may take this book home. 
7. You mayed finish your work at 5 o clock. You will may finish your work at 5 o clock
8. I musted to this exercise. I will must do this exercise. 
9. She musted wait for him. She will must wait for him

I go to school № (номер школы). Our school is lagre. It has got (сколько этажей) floors. Our school stands in a large yard. There are many trees and flowers in the yard. There is a sports ground behind the school. We can see the cloakroom, the dining-room and the gymnasium on the ground floors. The library and the computer rooms are on the first floor. The school hall is on the first floor. Here we have meetings for the pupils and the parents and the concerts. The primary classrooms are on the ground and first floors. The classrooms are on the second and the third and fourth floors. The workshop are on the ground floor. There are many flowers in our school. We like our school