Usage Examples Ordinal numbers

• This is the thirty-first floor. -
• He finished his eleventh book. -
• This is the ninety-ninth problem for me. -
• He lived in the eighteenth century. -
• This writer lived in the twentieth century. -
• Yesterday was her seventy-third birthday. -
• May is the fifth month of the year. -
• I live on the forty-eighth floor. -
• I finished my first book! -
• Thursday is the fourth day of the week. -
• Mark is his fourth son. -
• He goes to the doctor for the third time. -
• I read the fourth book. -
• She takes her cat to the vet for the fourth time. -
• Is this her seventh time in London? -
• He bought the sixty-sixth shirt. -
• She bought the flat on the thirtieth floor. -
• This is his thirteenth message. -
• It's her second day here. -
• December is the twelfth month of the year. -