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