don't I use? don't you use? doesn't he use? don't we use? don't you use? don't they use?
Presente contínuo
am I not using? aren't you using? isn't he using? aren't we using? aren't you using? aren't they using?
Pretérito
didn't I use? didn't you use? didn't he use? didn't we use? didn't you use? didn't they use?
Preterito contínuo
wasn't I using? weren't you using? wasn't he using? weren't we using? weren't you using? weren't they using?
Presente perfeito
haven't I used? haven't you used? hasn't he used? haven't we used? haven't you used? haven't they used?
Presente perfeito contínuo
haven't I been using? haven't you been using? hasn't he been using? haven't we been using? haven't you been using? haven't they been using?
Mais perfeito
hadn't I used? hadn't you used? hadn't he used? hadn't we used? hadn't you used? hadn't they used?
Contínuo mais perfeito
hadn't I been using? hadn't you been using? hadn't he been using? hadn't we been using? hadn't you been using? hadn't they been using?
Futuro
won't I use? won't you use? won't he use? won't we use? won't you use? won't they use?
Futuro contínuo
won't I be using? won't you be using? won't he be using? won't we be using? won't you be using? won't they be using?
futuro perfeito
won't I have used? won't you have used? won't he have used? won't we have used? won't you have used? won't they have used?
futuro perfeito contínuo
won't I have been using? won't you have been using? won't he have been using? won't we have been using? won't you have been using? won't they have been using?
Condicional
Presente
wouldn't I use? wouldn't you use? wouldn't he use? wouldn't we use? wouldn't you use? wouldn't they use?
Presente contínuo
wouldn't I be using? wouldn't you be using? wouldn't he be using? wouldn't we be using? wouldn't you be using? wouldn't they be using?
Passado
wouldn't I have used? wouldn't you have used? wouldn't he have used? wouldn't we have used? wouldn't you have used? wouldn't they have used?
Passado contínuo
wouldn't I have been using? wouldn't you have been using? wouldn't he have been using? wouldn't we have been using? wouldn't you have been using? wouldn't they have been using?