to have been there
She denied being there.
Siento no haber estado ahí cuando más me necesitabas.
I'm sorry I wasn't there when you needed me most.
— स्वदेस (2004)
I should have been there.
Me alegro de haber estado ahí.
I'm glad I was there.
Siento no haber estado ahí para cuidar de ti.
I'm sorry I wasn't there to take care of you.
— स्वदेस (2004)
Tom debería haber estado ahí.
Tom should have been there.