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