Exercise 5

I have to look after my younger sister.
Mother has to feed my younger sister.
I have to help my parents.
I have to work when I am out of town.
I have to tidy my room.
I have to clean my desk.
I have to study.
I want to wash up.
I want to go out of town.
My father wants to do a holiday vacation.
My mother has to learn sometimes.
I have to take my younger sister to the zoo.