1. John had waited for Mary for 15 minutes 2. John was late but Mary did not arrive at all. 3. Mary was not there when John arrived. 4. Mary was still waiting for John when he arrived.
1. John had waited for Mary for 15 minutes 2. John was late but Mary did not arrive at all. 3. Mary was not there when John arrived. 4. Mary was still waiting for John when he arrived.