Question

we are going to listen to a very good pianist. change into simple past tense​

Answer 1

Simple past : We listened to a very good pianist.

Explanation:

The sentence is in simple present continuous tense. Present continuous tense is used to denote an action that is happening at the moment of speaking.

Simple past tense is used to denote an action that is completed just now. The basic formula of a simple past tense is:

subject+v2+object

Applying this formula, the sentence will be formed as follows

Simple past : We listened to a very good pianist.