Usage Examples Ordinal numbers

• Mark is his fourth son. -
• My parents bought the second flat. -
• It's his forty-fifth birthday. -
• Thursday is the fourth day of the week. -
• Is this her seventh time in London? -
• It's my first week here. -
• This is her fourteenth letter. -
• Is this his fifth time here? -
• What is the twenty-second letter of the alphabet? -
• This is the ninety-ninth problem for me. -
• He finished his eleventh book. -
• It's our fifth year here. -
• "O" is the fifteenth letter of the alphabet. -
• Is this the sixtieth floor? -
• Tomorrow is the twenty-ninth of February! -
• My brother bought the third car. -
• Mary is his first love. -
• This is the fiftieth floor. -
• I have the third lesson today. -
• James is her second husband. -