I have to do my homework every day.
My mother has to work till the night.
We have to help him in the garden.
They have to be more careful this week.
She had to enter the university two years ago.
He had to prepare a report for our class.
My dog has to be obedient to get some meat.
Her friend has to be more to gain her confidence.
Our grandmother had to bake cookies to sale them at the market and get some money.
You had to pass all the exams last month.