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