Помогите решить номер 3,4,5

2 is making
3 are watching
4 is sitting
5 isn't eating
6 Are you waiting
2
2 is preparing
3 are waiting
4 is making
5 are not crying,are laughing
6 am not watching, am working
3
b What is Anita doing on the computer?--1
c Why are you all standing there?--3
d What is Amir doing in the park?--4
e Why is Paul working late tonight?--2
f What are you watching on TV?--6

4
2 Are we listening to the instructor?--No,we are not.
3 Is she waiting for the next episode?--Yes,she is.
4 Are they enjoying the programme?--No,they are not.
5 Are you sending a message to a friend?--No,I am not.
6 Am I helping you?--Yes,I am.