I regret becoming her friend.
I shouldn't have become her friend.
She regrets cutting her own bangs.
She shouldn't have cut her own bangs.
I regret not going to the gym yesterday.
I should have gone to the gym yesterday.
He regrets telling that lie.
He shouldn't have told that lie.
We regret not giving a chocolate to our beautiful teacher Inês.
We should have given a chocolate to our beautiful teacher Inês.
She regrets going on a date with him.
She shouldn't have gone on a date with him.
He regrets not having the guts to go bungee jumping.
He should have had the guts to go bungee jumping.
She regrets not inviting her neighbors to the party.
She should have invited her neighbors to the party.
She regrets not doing her homework.
She should have done her homework.
They regret falling asleep during the movie.
They shouldn't have fallen asleep during the movie.
I regret not studying for the Math test.
I should have studied for the Math test.
We regret not starting our English course before.
We should have started our English course before.
I regret driving too fast.
I shouldn't have driven too fast.
I regret staying up late last night.
I shouldn't have stayed up late last night.
I regret having eaten so much last night.
I shouldn't have eaten so much last night.
I regret spending that much money on clothes.
I shouldn't have spent that much money on clothes.
He regrets not asking her out.
He should have asked her out.