Words similar to alas

Example sentences for: alas

How can you use “alas” in a sentence? Here are some example sentences to help you improve your vocabulary:

"Alas!
But, alas, the first stage of that maneuver is easier to accomplish than the second.
Alas, the president has not made this case.
Alas, this is my second attempt to respond to your last message.
At the end of class came a session of sparring (which I, alas, was not allowed to participate in).