Ejercicio 1
1. doesn't have to
2. have to
3. does/ have to so
4. has to do
5. wasn't
6. does/ have to stand up
Ejercicio 2
1. Does Ryan have to do the ironing?
Yes, they have to
2. Does Jess and Ryan have to do washing up?
Yes, they have to
3. Does Jess and Ryan have to lay the table?
Yes, they have to
4. Does Jess have to do the washing?
Yes, she doesn't have to
5. Does Ryan have to take out the rubbish?
No, he doesn't have to
Ejercicio 3
1. mustn't
2. mustn't
3. dont have to
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