Expressa o que estava acontecendo num ponto do passado ou uma ação em andamento quando outra aconteceu. É formado pelas formas verbais do verbo to be no passado (was/were) mais verbo principal acrescido de ing:

What were you doing at 6 o’clock yesterday?

You were doing your lesson when I called.

As the man was looking at the picture, the thief stole his wallet.

Também pode expressar duas ações que ocorriam simultaneamente:

While Barbara was swimming, I was playing soccer.

I heard that you're settled down
That you found a girl and you're married now
I heard that your dreams came true
Guess she gave you things I didn't give to you
Old friend, why are you so shy?
Ain't like you to hold back or hide from the light
I hate to turn up out of the blue uninvited
But I couldn't stay away, I couldn't fight it
I had hoped you'd see my faceAnd that you'd be reminded
That for me it isn't over
Never mind, I'll find someone like you
I wish nothing but the best for you too
Don't forget me, I beg
I remember you said:"Sometimes it lasts in love, but sometimes it hurts instead"
Sometimes it lasts in love, but sometimes it hurts instead, yeah
You'd know how the time flies
Only yesterday was the time of our lives
We were born and raised in a summer haze
Bound by the surprise of our glory days
I hate to turn up out of the blue uninvited
But I couldn't stay away, I couldn't fightI had hoped you'd see my face
And that you'd be reminded
That for me it isn't over
Nevermind, I'll find someone like youI wish nothing but the best for you too
Don't forget me, I begI remember you said:"Sometimes it lasts in love, but sometimes it hurts instead"
Nothing compares, no worries or cares
Regrets and mistakes, they're memories made
Who would have known how bitter-sweetThis would taste?
Nevermind, I'll find someone like you
I wish nothing but the best for you
Don't forget me, I begI remember you said:"Sometimes it lasts in love, but sometimes it hurts instead"
Nevermind, I'll find someone like youI wish nothing but the best for you too
Don't forget me, I beg
I remember you said:"Sometimes it lasts in love, but sometimes it hurts instead"
Sometimes it lasts in love, but sometimes it hurts instead, yeah

Significado:
*Settled: estabelecido.
*married: casou-se
*came: veio
*gave: deram
*uninvited: não ser convidado
*reminded: lembraria
*hoped: tinha esperança
*said: disse