Помогите пожалуйста люди добрые я вам балл поставлю. 3 и 4

Задание 2
1)are sitting
2)is styding
3)am working
4)are eating
5)is having
задание3
1)arent sitting
2)isnt styding
3)am not working
4)arent eating
5)isnt having

3).
1 are sitting
2 is studying
3 am working
4 are eating
5 is having
4.)
1.arent sitting
2.isnt studying
3. am not working
4. arent eating
5. isnt having