- I 've been teaching four periods this morning .
- The wound was closed with fourteen stitches .
- We examine the study of hexamethylenetetramine .
- He knocked back four pints of beer .
- He is forty years of age and still unmarried .
- My car does 40 miles to the gallon .
- The rhine was four thousand miles away .
- He sold his horse for forty pounds .
- Four o'clock had just struck on the church clock .
- Four soldiers stood guard over the coffin .