I have to go to work tomorrow. (утвердительная, единственное число) She has to study for her exam. (утвердительная, единственное число) We have to clean the house before the guests arrive. (утвердительная, множественное число) They don't have to finish the project by tomorrow. (отрицательная, множественное число) He doesn't have to take the bus because I can give him a ride. (отрицательная, единственное число)
I have to go to work tomorrow. (утвердительная, единственное число)
She has to study for her exam. (утвердительная, единственное число)
We have to clean the house before the guests arrive. (утвердительная, множественное число)
They don't have to finish the project by tomorrow. (отрицательная, множественное число)
He doesn't have to take the bus because I can give him a ride. (отрицательная, единственное число)