cost, was costing, was difficult, took effort
| Singular | Plural | |
|---|---|---|
| First | costaba | — |
| Third | costaba | — |
| Singular | Plural | |
|---|---|---|
| First | costaba | — |
| Third | costaba | — |
El mes pasado este programa costaba el doble de lo que cuesta hoy.
Last month this program cost twice as much as it costs today.
It cost an arm and a leg.
Al principio me costaba mucho.
At first it was very difficult for me.
Ese anillo de diamantes costaba un ojo de la cara.
That diamond ring cost an arm and a leg.
Me costaba bastante entender lo que estaba diciendo.
I had a hard time understanding what he was saying.
Ese anillo de diamantes costaba un riñón.
That diamond ring cost an arm and a leg.