Phrasal verbs

 Be about to - estar a punto de 
I was about to leave the house when my friends arrived. 

 Be back - regresar
I'm working late at the office tonight so I won't be back until 10. 

Be out of - quedarse sin
We're out of eggs so we can't make a tortilla. 

 Be over - terminarse
When the football match was over, we went to the pub. 

 Be up - estar levantado
"phil isn't up yet: he's still in bed. Phone again in ten minutes." 

 Blow up - estallar (una bomba)
The bomb blew up killing six people. 

 Blow up - inflar
We blew up at least a hundred balloons for the christmas party. 

Break down - averiarse
My car broke down on the way to motril.