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