Question

I (to read ) a lot a lot last moth

Answer 1

I read a lot last month. Past Simple Tense

Answer 2

It seems like you want to express that you read a lot last month. The correct way to phrase the sentence would be:

"I read a lot last month."

In this sentence, "read" is the past tense of the verb "to read," and "last month" specifies the timeframe in which the action took place.