don't I focus? don't you focus? doesn't he focus? don't we focus? don't you focus? don't they focus?
Present continuous
am I not focusing? aren't you focusing? isn't he focusing? aren't we focusing? aren't you focusing? aren't they focusing?
Preterite
didn't I focus? didn't you focus? didn't he focus? didn't we focus? didn't you focus? didn't they focus?
Preterite continuous
wasn't I focusing? weren't you focusing? wasn't he focusing? weren't we focusing? weren't you focusing? weren't they focusing?
Present perfect
haven't I focused? haven't you focused? hasn't he focused? haven't we focused? haven't you focused? haven't they focused?
Present perfect continuous
haven't I been focusing? haven't you been focusing? hasn't he been focusing? haven't we been focusing? haven't you been focusing? haven't they been focusing?
Pluperfect
hadn't I focused? hadn't you focused? hadn't he focused? hadn't we focused? hadn't you focused? hadn't they focused?
Pluperfect continuous
hadn't I been focusing? hadn't you been focusing? hadn't he been focusing? hadn't we been focusing? hadn't you been focusing? hadn't they been focusing?
Future
won't I focus? won't you focus? won't he focus? won't we focus? won't you focus? won't they focus?
Future continuous
won't I be focusing? won't you be focusing? won't he be focusing? won't we be focusing? won't you be focusing? won't they be focusing?
Future perfect
won't I have focused? won't you have focused? won't he have focused? won't we have focused? won't you have focused? won't they have focused?
Future perfect continuous
won't I have been focusing? won't you have been focusing? won't he have been focusing? won't we have been focusing? won't you have been focusing? won't they have been focusing?
Conditional
Present
wouldn't I focus? wouldn't you focus? wouldn't he focus? wouldn't we focus? wouldn't you focus? wouldn't they focus?
Present continuous
wouldn't I be focusing? wouldn't you be focusing? wouldn't he be focusing? wouldn't we be focusing? wouldn't you be focusing? wouldn't they be focusing?
Past
wouldn't I have focused? wouldn't you have focused? wouldn't he have focused? wouldn't we have focused? wouldn't you have focused? wouldn't they have focused?
Past continuous
wouldn't I have been focusing? wouldn't you have been focusing? wouldn't he have been focusing? wouldn't we have been focusing? wouldn't you have been focusing? wouldn't they have been focusing?