Sarah have to/ has to water the plants every day.
has to
I have to/ has to go to see the doctor.
have to
She have to/ has to eat more vegetables.
has to
We have to/ has to go to school today.
have to
I has to/have to learn English at school.
have to
I have to/ has to wash the dishes.
have to
Sally and John has to/ have to cook dinner.
have to