1) Write the plural form of the nouns.
1. A son_____________ 11. A toy__________
2. A boy_____________ 12. A tomato_________
3. A watch_____________ 13. A monkey____________
4. A fox______________ 14. A key______________
5. A wolf___________ 15. A torch___________
6. A person_____________ 16. An apple_____________
7. A country____________ 17. A mouse____________
8. A knife_____________ 18. A child___________
9. A glass____________ 19. A wife___________
10. A butterfly____________ 20. A puppy___________
2) Fill in the gaps with the correct preposition.
1. I always brush my teeth________________the morning.
2. We always decorate a fir tree______________ Christmas.
3. he usually plays football_______________Sundays.
4. It is often cold____________November.
5. I go to school____________bus.
6. My grandfather gets up_____________seven o'clock.
7. I don't like going out____________a cold rainy day.
8. She was born______________the ninth of December.
9. I will call you back______________an hor.
10. He often works______________night.
1 sons
2 boys
3 watches
4 foxs
5 wolves
6 people
7 countries
8 knives
9 glasses
10 butterflies
11 toys
12 tomatoes
13 monkeys
14 keys
15 torches
16 apples
17 mice
18 children
19 wives
20 puppies
II
1 in
2 in
3 on
4 in
5 by
6 at
7 on
8 on
9 next
10 at