Present simple – I do, I don’t, Do I?

S=1 + Vs

S>1 + V

S=1 + does, does not, doesn't

S>1 + do, do not, don't

I + do, do not, don't

You + do, do not, don't

Does Tom run? 

Tom runs.

Tom does not run.

Tom doesn't run.

Do Tom and Jerry run?

Tom and Jerry run.

Tom and Jerry do not run.

Tom and Jerry don't run.