don't I tub? don't you tub? doesn't he tub? don't we tub? don't you tub? don't they tub?
Presente continuo
am I not tubbing? aren't you tubbing? isn't he tubbing? aren't we tubbing? aren't you tubbing? aren't they tubbing?
Preterito
didn't I tub? didn't you tub? didn't he tub? didn't we tub? didn't you tub? didn't they tub?
Preterite continua
wasn't I tubbing? weren't you tubbing? wasn't he tubbing? weren't we tubbing? weren't you tubbing? weren't they tubbing?
Presente perfetto
haven't I tubbed? haven't you tubbed? hasn't he tubbed? haven't we tubbed? haven't you tubbed? haven't they tubbed?
Presente perfetto continuo
haven't I been tubbing? haven't you been tubbing? hasn't he been tubbing? haven't we been tubbing? haven't you been tubbing? haven't they been tubbing?
Piuccheperfetto
hadn't I tubbed? hadn't you tubbed? hadn't he tubbed? hadn't we tubbed? hadn't you tubbed? hadn't they tubbed?
Piuccheperfetto continuo
hadn't I been tubbing? hadn't you been tubbing? hadn't he been tubbing? hadn't we been tubbing? hadn't you been tubbing? hadn't they been tubbing?
Futuro semplice
won't I tub? won't you tub? won't he tub? won't we tub? won't you tub? won't they tub?
Futuro continuo
won't I be tubbing? won't you be tubbing? won't he be tubbing? won't we be tubbing? won't you be tubbing? won't they be tubbing?
Futuro anteriore
won't I have tubbed? won't you have tubbed? won't he have tubbed? won't we have tubbed? won't you have tubbed? won't they have tubbed?
Futuro anteriore contínuo
won't I have been tubbing? won't you have been tubbing? won't he have been tubbing? won't we have been tubbing? won't you have been tubbing? won't they have been tubbing?
Condizionale
Presente
wouldn't I tub? wouldn't you tub? wouldn't he tub? wouldn't we tub? wouldn't you tub? wouldn't they tub?
Presente continuo
wouldn't I be tubbing? wouldn't you be tubbing? wouldn't he be tubbing? wouldn't we be tubbing? wouldn't you be tubbing? wouldn't they be tubbing?
Passato
wouldn't I have tubbed? wouldn't you have tubbed? wouldn't he have tubbed? wouldn't we have tubbed? wouldn't you have tubbed? wouldn't they have tubbed?
Passato continuo
wouldn't I have been tubbing? wouldn't you have been tubbing? wouldn't he have been tubbing? wouldn't we have been tubbing? wouldn't you have been tubbing? wouldn't they have been tubbing?