"The courage shown by Peter and the courage shown by Mark was/were praiseworthy." "The courage shown both by Peter and by Mark was/were praiseworthy." "The courage shown both by Peter and Mark was/were
"The courage shown by Peter and the courage shown by Mark was/were praiseworthy." "The courage shown both by Peter and by Mark was/were praiseworthy." "The courage shown both by Peter and Mark was/were praiseworthy."
By: "The courage shown by Peter and the courage shown by Mark was/were praiseworthy." "The courage shown both by Peter and by Mark was/were praiseworthy." "The courage shown both by Peter and Mark was/were pra