Question

How to use did,does and do?

Answer 1

In the simple present tense, do will function as an auxiliary to express the negative and to ask questions. (Does, however, is substituted for third-person, singular subjects in the present tense. The past tense did

Answer 2

Did- Did he go to the park?- Refers to something done in the past.
Does- I hate when he does that.- Refers to something someone else is doing (present).
Do- This is what I want to do.- Refers to performing an action. Who it comes from in unspecified