1

This question already has an answer here:

Which sentence below is correct when using the past tense of "do"?

What I did to find out is that...

What I did to find out was that...

marked as duplicate by tchrist, NVZ, user66974, Scott, Chenmunka Aug 17 '16 at 8:38

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Browse other questions tagged or ask your own question.