If you don't save money now, you'll regret it in the future.
It looks clumsy and overdone. Simply use regret.
yes!I regret that I sauntered through school.
We regret the cancellation of the wedding.
I regret that I am 44.
rue means regret so it means regret the day. "You will rue the day you made fun of me!"
It can be difficult to predict what the stock market will do in the future.
good luck in your future endeavor
shall use for future sentences .
used in a sentence,a true sentence: i never said goodbye when my dad left on a business trip and the plane crashed i regret not saying goodbye.
incomplete, or a sentence fragment
The future remains unpredictable.
The youth of today enjoys a bright and rosy future.