could outhear
Irregular verb: outhear - outheard- outheard

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outhear
you could outhear
he could outhear
we could outhear
you could outhear
they could outhear 	I could be outhearing
you could be outhearing
he could be outhearing
we could be outhearing
you could be outhearing
they could be outhearing	I could have outheard
you could have outheard
he could have outheard
we could have outheard
you could have outheard
they could have outheard	I could have been outhearing
you could have been outhearing
he could have been outhearing
we could have been outhearing
you could have been outhearing
they could have been outhearing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't outhear
you couldn't outhear
he couldn't outhear
we couldn't outhear
you couldn't outhear
they couldn't outhear 	I couldn't be outhearing
you couldn't be outhearing
he couldn't be outhearing
we couldn't be outhearing
you couldn't be outhearing
they couldn't be outhearing	I couldn't have outheard
you couldn't have outheard
he couldn't have outheard
we couldn't have outheard
you couldn't have outheard
they couldn't have outheard	I couldn't have been outhearing
you couldn't have been outhearing
he couldn't have been outhearing
we couldn't have been outhearing
you couldn't have been outhearing
they couldn't have been outhearing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outhear?
could you outhear?
could he outhear?
could we outhear?
could you outhear?
could they outhear? 	could I be outhearing?
could you be outhearing?
could he be outhearing?
could we be outhearing?
could you be outhearing?
could they be outhearing? 	could I have outheard?
could you have outheard?
could he have outheard?
could we have outheard?
could you have outheard?
could they have outheard? 	could I have been outhearing?
could you have been outhearing?
could he have been outhearing?
could we have been outhearing?
could you have been outhearing?
could they have been outhearing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I outhear?
couldn't you outhear?
couldn't he outhear?
couldn't we outhear?
couldn't you outhear?
couldn't they outhear? 	couldn't I be outhearing?
couldn't you be outhearing?
couldn't he be outhearing?
couldn't we be outhearing?
couldn't you be outhearing?
couldn't they be outhearing? 	couldn't I have outheard?
couldn't you have outheard?
couldn't he have outheard?
couldn't we have outheard?
couldn't you have outheard?
couldn't they have outheard? 	couldn't I have been outhearing?
couldn't you have been outhearing?
couldn't he have been outhearing?
couldn't we have been outhearing?
couldn't you have been outhearing?
couldn't they have been outhearing?