Past simple
Do you understand?
Did you understand?
Does you think I look good?
Do you think I look good?
Where you going?
Where are you going?
Why that happen?
Why is that happening?
Why will that happen?
Why is that going to happen?
Why are he does that?
Why is he doing that?
Did he came to see you?
Did he come to see you?
Does you know what is "antidiluvian"?
Do you know what is "antidiluvian"?
How are you do?
How are you doing?
Why do you going to do that?
Why are you going to do that?
Who that?
Who is that?
What is that?
What was that?
Can you repeat the question?
Where does he going?
Where is he going?
Who he visiting tomorrow?
Who is he visiting tomorrow?
Who dis?
Who is this?
Where you buy that?
Where did you buy that?
Who here?
Who is here?
Does he writing a letter?
Is he writing a letter?
Are you going to buying a new computer?
Are you going to buy a new computer?
You heard that?
Did you hear that?
Where you were?
Where were you?
What you do in the afternoons?
What do you do in the afternoons?
Are you ok?
Are you doing ok?
When do you getting a hair cut?
When are you getting a hair cut?
Who your teacher is?
Who is your teacher?