David was angry at himself. He had passed an old man sitting in a daze on the curb and had not stopped to help him.(long sentence)
David was angry at himself for he had passed an old man sitting in a daze on the curb and had not stopped to help him.
David was angry at himself. He had passed an old man sitting in a daze on the curb and had not stopped to help him.(long sentence)
David was angry at himself for he had passed an old man sitting in a daze on the curb and had not stopped to help him.