I don't knuckle you don't knuckle he doesn't knuckle we don't knuckle you don't knuckle they don't knuckle
Present continuous
I'm not knuckling you aren't knuckling he isn't knuckling we aren't knuckling you aren't knuckling they aren't knuckling
Preterite
I didn't knuckle you didn't knuckle he didn't knuckle we didn't knuckle you didn't knuckle they didn't knuckle
Preterite continuous
I wasn't knuckling you weren't knuckling he wasn't knuckling we weren't knuckling you weren't knuckling they weren't knuckling
Present perfect
I haven't knuckled you haven't knuckled he hasn't knuckled we haven't knuckled you haven't knuckled they haven't knuckled
Present perfect continuous
I haven't been knuckling you haven't been knuckling he hasn't been knuckling we haven't been knuckling you haven't been knuckling they haven't been knuckling
Pluperfect
I hadn't knuckled you hadn't knuckled he hadn't knuckled we hadn't knuckled you hadn't knuckled they hadn't knuckled
Pluperfect continuous
I hadn't been knuckling you hadn't been knuckling he hadn't been knuckling we hadn't been knuckling you hadn't been knuckling they hadn't been knuckling
Future
I won't knuckle you won't knuckle he won't knuckle we won't knuckle you won't knuckle they won't knuckle
Future continuous
I won't be knuckling you won't be knuckling he won't be knuckling we won't be knuckling you won't be knuckling they won't be knuckling
Future perfect
I won't have knuckled you won't have knuckled he won't have knuckled we won't have knuckled you won't have knuckled they won't have knuckled
Future perfect continuous
I won't have been knuckling you won't have been knuckling he won't have been knuckling we won't have been knuckling you won't have been knuckling they won't have been knuckling
Conditional
Present
I wouldn't knuckle you wouldn't knuckle he wouldn't knuckle we wouldn't knuckle you wouldn't knuckle they wouldn't knuckle
Present continuous
I wouldn't be knuckling you wouldn't be knuckling he wouldn't be knuckling we wouldn't be knuckling you wouldn't be knuckling they wouldn't be knuckling
Past
I wouldn't have knuckled you wouldn't have knuckled he wouldn't have knuckled we wouldn't have knuckled you wouldn't have knuckled they wouldn't have knuckled
Past continuous
I wouldn't have been knuckling you wouldn't have been knuckling he wouldn't have been knuckling we wouldn't have been knuckling you wouldn't have been knuckling they wouldn't have been knuckling