Task 1.
Task 2.
Task 3.
2- g
3- a
4- d
5- j
6- c
7- f
8- e
9- b
10- h
Task 4.
1- might
2-can't
3- must
4- must
5- can't
6- can't
7- might/ must- в зависимости от того, что подразумевал автор
Task 1.
don't havemustdidn't havedo you have tohad toDid you have toshouldn'tmustn'tTask 2.
shouldn't goyou have tomay not (might not)should talkmustn't goTask 3.
2- g
3- a
4- d
5- j
6- c
7- f
8- e
9- b
10- h
Task 4.
1- might
2-can't
3- must
4- must
5- can't
6- can't
7- might/ must- в зависимости от того, что подразумевал автор