Составьте ситуацию используя следующие словосочетания: my friend's son, very tall, to change, can (could) hardly, to recognize

Yesterday I was going in the park. Suddenly I saw a very tall boy. At first, I didn't recognize who was that. But then I could hardly remembered, that was my friend's son. He has changed from our last meeting. He noticed me nodded and went on going