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