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