See Voice Key below:

Intro:
M: I was so carefree./
RW: /Ooo-oo-ooo, oo-oo-oo-ooo-ooo.

Verse 1:
SR: I was so carefree, only gay words were/
M: /I was so carefree./ SR: /spo-oh-ken./
RW: /Ooo-oo-ooo, oo-oo-oo-ooo-ooo./
SR: /Mmmm-hmmm-mmmm-mmmm.
All: Then along came love,
SR: And my poor heart was
SR: Bro-oh-oh-ken./ GM: /Broken, broken,
SR: Mmm-/ GM: /broken/ SR:-hmmm-hmm-hmm-hmm,
GM: Broken./ SR: /Hm-hmmm.

Verse 2:
SR: I was full of fun,/ RW: /Ooo-oo-ooo.
GM: Sha-dah-doo,/
SR: /Eh-an' meh-eh-eh-eh-er-er-/
GM: /Sha-dah-doo-ooo./ SR: /-er-i-making.
SR: Mmm-hmmm-hmm-hmm-hmm-hm-hmmm./
GM: /Sha-dah-doo-ooo-oooo.
All: Then along came love,
SR: Now my poor heart is ay-GM:/aching/SR:-ay-aching./
GM: /Aching, aching, aching.

Bridge:
GM: Ooooo-oooo-oooo-oooo./
SR: /I never thought that lo-ove was real,
SR: Until/ GM: /Oooo.
All: It came ahh-ah-la-ong.
SR: And now GM: now
All: I know just how it feels,
All: When love has come and gone.

Verse 3:
Letras de canciones similares en http://es.mp3lyrics.com/oh1DSR: Now, now, now-h-h-h-ow GM: now,
SR: I'm always sad,/ RW: /Ooo-oo-ooo. GM: now,
SR: And I'm al-ways cry-/
GM /Sha-dah-doo-/SR:/-eye-ah-eye-ing./GM:/-ooo.
GM: Sha-dah-doo-ooo-oooo./
SR: /Mmm-hmmm-hmm-hmm-hmm-hm-hmmm.
All: Since my love has gone,
SR: My poor heart is die-eye-GM dying/
SR: /Eye-ing. GM: dying./
SR: Mmmm,/ GM: /dying/
SR: Don't you know, GM: /dying,

Outro:
SR: My heart's gon' die,/ GM: /dying,/
SR: /Gon' die,
RW: /Ooo-oo-ooo, oo-oo-oo-ooo-ooo./
SR: /Gon' die./ GM: /dying,/
SR: /Mmmm, I'm all/ GM: /dying/ SR: /alone.
SR: /An' I don' know why./ GM: /dying,
SR: Please,/ GM: /dying,/
SR: /Please, please,/ GM: /dying,
SR: Say you'll/ GM: /dying,/
SR: /Come on home./ GM: /dying,
SR: Fade.
SR: Don't / GM: /dying,/
SR: /Leave your/ GM: /dying,/
SR: /Daddy all/ GM: /dying,/
SR: /Alone...

VOICE KEY:
Lyrics preceded with SR: denote solo by Smokey Robinson.
Lyrics preceded with RW: denote solo by Ronnie White .
Lyrics preceded with M: denote just male group members sing without SR.
Lyrics preceded with GM: denote all the group members sing without SR.
Lyrics preceded with All: denote everyone sings.
Lyrics separated by a slash(es) (/) mean the lyrics on opposite
sides of the slash(es) are sung simultaneously or overlap.