Read them together
want — wanted walk — walked
help — helped talk — talked
follow— followed shop — shopped
be—was, were know— knew
do — did go — went
have — had eat — ate fall — fell see — saw
buy——bought
teach——taught
think——thought
A: Did you go to…?
B: Yes. I did./No, I didn’t.
A:Where did you go?
I w..