Mark is his fourth son. -
This is the thirty-third time you tell me this story. -
He lived in the eighteenth century. -
I read the fourth book. -
She goes to the dentist for the seventh time. -
My brother bought the third car. -
November is the eleventh month of the year. -
My house is the second to the right. -
This is my first pet. -
My second dress is more beautiful. -
He took the twenty-third place. -
Is Saturday the sixth day of the week? -
It's your sixth hour here. -
We go to New York on the sixteenth of January -
This is her fourteenth letter. -
It's our fifth year here. -
It's their fourth week here. -
He doesn't have the fourth lesson today. -
Jane is his first wife. -
She bought the flat on the thirtieth floor. -