1) 97 – ninety seven- the ninety- seventh
2) 86 – eighty six- eighty sixth
3) 73 – seventy three-seventy third
4) 44 – fourty four- fourty fouth
5) 12 – twelve- twelfth
6) 51 – fifty one- fifty first
My friend doesn't have to get up early on Sundays.
Susan can’t go to the cinema. She has to do her homework.
Today is a holiday. I don't have to go to work.
We have to brush our teeth every morning.
My mother doesn't have to cook dinner. My father usually does it.