don't I dull? don't you dull? doesn't he dull? don't we dull? don't you dull? don't they dull?
Presente continuo
am I not dulling? aren't you dulling? isn't he dulling? aren't we dulling? aren't you dulling? aren't they dulling?
Pretérito
didn't I dull? didn't you dull? didn't he dull? didn't we dull? didn't you dull? didn't they dull?
Pretérito continuo
wasn't I dulling? weren't you dulling? wasn't he dulling? weren't we dulling? weren't you dulling? weren't they dulling?
Presente perfecto
haven't I dulled? haven't you dulled? hasn't he dulled? haven't we dulled? haven't you dulled? haven't they dulled?
Presente perfecto continuo
haven't I been dulling? haven't you been dulling? hasn't he been dulling? haven't we been dulling? haven't you been dulling? haven't they been dulling?
Pluscuamperfecto
hadn't I dulled? hadn't you dulled? hadn't he dulled? hadn't we dulled? hadn't you dulled? hadn't they dulled?
Pluscuamperfecto continuo
hadn't I been dulling? hadn't you been dulling? hadn't he been dulling? hadn't we been dulling? hadn't you been dulling? hadn't they been dulling?
Futuro simple
won't I dull? won't you dull? won't he dull? won't we dull? won't you dull? won't they dull?
Futuro continuo
won't I be dulling? won't you be dulling? won't he be dulling? won't we be dulling? won't you be dulling? won't they be dulling?
Futuro perfecto
won't I have dulled? won't you have dulled? won't he have dulled? won't we have dulled? won't you have dulled? won't they have dulled?
Futuro perfecto contínuo
won't I have been dulling? won't you have been dulling? won't he have been dulling? won't we have been dulling? won't you have been dulling? won't they have been dulling?
Condicional
Presente
wouldn't I dull? wouldn't you dull? wouldn't he dull? wouldn't we dull? wouldn't you dull? wouldn't they dull?
Presente continuo
wouldn't I be dulling? wouldn't you be dulling? wouldn't he be dulling? wouldn't we be dulling? wouldn't you be dulling? wouldn't they be dulling?
Passado
wouldn't I have dulled? wouldn't you have dulled? wouldn't he have dulled? wouldn't we have dulled? wouldn't you have dulled? wouldn't they have dulled?
Passado continuo
wouldn't I have been dulling? wouldn't you have been dulling? wouldn't he have been dulling? wouldn't we have been dulling? wouldn't you have been dulling? wouldn't they have been dulling?