Посогите сделать 3 упражнение если не лень с4 и 5

1. is
2. am
3. are
4. is
5. is
6.are
7. is
8.are
9. is
10. is

далее номер 4
1. i am opening the door
2. the cat is sleeping on the mat
3. the boys are writing letters
4. we are singing songs
5. mother is making a cake
6. the bell is ringing

далее номер 5
1. is raining
2. am playing
3.is coming
4. is climbing
5. is drinking
6. is speaking