My friends visited (as in they visited their grandparents on Sunday)
Mis amigos visitaron
We went (ir)
Nosotros fuimos
My friends visited (as in they visited their grandparents each week.
Mis amigos visitaban
His friends used to go (as in to the store together).
Sus amigos iban.
Mark serves (servir)
Mark sirve
He lived (as in his lived in Spain for one year)
El vivió
They did (as in their homework)
Ellos hicieron
El vivía
I saw (ver - as in my grandparents every week)
Yo veía
I served (servir)
Yo serví
They swam (as in they swam at the beach on Sunday)
Ellos nadaron
He ate (the cake)
él comió
They swam (as in, they swam in the river each weekend)
Ellos nadaban
We were (ser - as in students at that school for many years)
Eramos
We get dressed (vestirse)
Nos vestimos
We ate (as in we ate too much for lunch)
Nosotros comimos
They told (decir- as in their parents about the problem)
Ellos dijeron
John felt badly (sentirse - as in after eating too much)
John se sentía mal
They were (ser- as in very serious)
Ellos eran
They say (decir)
Ellos dicen
The president spoke (as in for one hour)
El president habló
Mary put (poner - as in the food on the table)
Mary puso
We didn't know each other (conocerse - as in when we were children)
No nos conocíamos
You were (ser - as in very intelligent when you were a child)
Tú eras
She slept (dormir)
Ella durmió