it was raining
It was raining last night.
Salí a pesar de que estaba lloviendo.
I went out even though it was raining.
Estaba lloviendo cuando nos fuimos, pero para cuando llegamos estaba soleado.
It was raining when we left, but by the time we arrived it was sunny.
Además estaba lloviendo y cruzó la calle sin mirar.
It was also raining and he crossed the street without looking.
Como estaba lloviendo, me quedé en casa.
Since it was raining, I stayed home.
It was raining yesterday.
Estaba lloviendo cuando tomé el autobús.
It was raining when I took the bus.
Tomé mi paraguas en cuanto me di cuenta de que estaba lloviendo.
I grabbed my umbrella as soon as I realized it was raining.
Cuando cogí el autobús estaba lloviendo.
It was raining when I got on the bus.