Are
What did you do yesterday?
What did you do this morning?
What are you not doing right now?
Ask a question in the past.
What are you not going to do tomorrow?
When was the last time you played video games?
Where were you yesterday?
What did you not do yesterday?
Where were you not yesterday?
Ask a question in the present continuous.
What did you do for your last birthday?
What are you going to do this weekend?
What do you think is your best friend doing?
Where did you go on your last holidays?
What is your best friend planning to do this weekend?
What are you doing right now?
What will you do in 10 years?
What will you do in your future job?
What do you think is your best friend not doing at the moment?
Ask a question with will.
What are you going to do tonight?
How will be the world in 2050?
What activity are you doing at the moment?
What will we not do in 50 years?
Ask a question in the future with present continuous.