Task 1.
I am going to
What are you going to
are going to
Is your teacher going to
are we going to
it’s is going to
Is her brother going to
are your parents going to
is going to

Task 2.
isn’t going to
am not going to
isn’t going to
aren’t going to
aren’t going to
is not going to
is not going to
are not going to
isn’t going to

Task 3.
1 - f
2 - i
3 - g
4 - b
5 - j
6 - c
7 - d
8 - e
9 - h
10 - a