Simple Past Tense Do. Put put cut cut set set cost cost. I have been doing.
He she it had been doing. For irregular verbs things get more complicated. We had been doing.
The simple past tense sometimes called the preterite is used to talk about a completed action in a time before now.
The present participle of do is doing. He she it has been doing. They had been doing. The simple past is the basic form of past tense in.
