"Do" kao glagol punog značenja u prostom sadašnjem vremenu (Simple Present) ima oblike "do" i "does". U negativnom i u upitnom obliku vidimo da glagol "do" možemo da koristimo kao pomoćni i kao glagol punog značenja.

Potvrdni oblik	Odrični oblik	Upitni oblik
I, we, you, they:
You do your homework in the evenings.	You don't do your homework in the evenings.	Do you do your homework in the evenings?
he, she, it:
He does his homework in the evenings.	He doesn't do his homework in the evenings.	Does he do his homework in the evenings?

U prostom prošlom vremenu (Simple Past) glagol "do" ima samo jedan oblik za sva lica ("did"). Kao i u prethodnoj tabeli i ovde ćemo upotrebiti "do" kao pomoćni glagol i kao glagol punog značenja:

Potvrdni oblik	Odrični oblik	Upitni oblik
I, we, you, they:
You did your homework in the evening.	You didn't do your homework in the evening.	Did you do your homework in the evening?
he, she, it:
He did his homework in the evening.	He didn't do his homework in the evening.	Did he do his homework in the evening?