9. Заполни пропуски нужной формой глаголов !!!!to be либо to have,

9. Заполни пропуски подходящей формой глаголов !!!!to be или to have, !!!!выражающих значение долженствования.переведите предложения!!!!
1. Ann______________ to open the window for a while every day, because her grandpa doesnt go out.
2. He ______________to wear glasses as his eyesight is very weak.
3. Jack _____________ to do it, because his wife was ill.
4. My father _____________ to give some money to our mother.
5. You _________________to learn all the rules for the next lesson.