what is the conjugation for

I listened
He use to take
I slept

to listen = escuchar

I listened, I DID listen = escuché
I listened, I WAS listenING, I USED TO listen = escuchaba

to take = tomar (other verbs as well)
he used to take, he took, he WAS takING = tomaba

to sleep = dormir
I slept, I DID sleep, = dormí
I slept, I used to sleep, I WAS sleepING = dormía

The infinitive (no subject, no tense) = to go, to run, to read, etc.

I Read, I DO read, I AM reading = Present Tense (leo)

I read, I DID read = Preterit = leí

I read, I USED To read, I WAS readING = Imperfect = leía

Get used to the English cues for different tenses.

Sra