to know
Irregular verb: know - knew- known

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I know?
wouldn't you know?
wouldn't he know?
wouldn't we know?
wouldn't you know?
wouldn't they know? 	wouldn't I be knowing?
wouldn't you be knowing?
wouldn't he be knowing?
wouldn't we be knowing?
wouldn't you be knowing?
wouldn't they be knowing? 	wouldn't I have known?
wouldn't you have known?
wouldn't he have known?
wouldn't we have known?
wouldn't you have known?
wouldn't they have known? 	wouldn't I have been knowing?
wouldn't you have been knowing?
wouldn't he have been knowing?
wouldn't we have been knowing?
wouldn't you have been knowing?
wouldn't they have been knowing? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to know 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
knowing	known