could beach
Regular verb: beach - beached- beached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could beach
you could beach
she could beach
we could beach
you could beach
they could beach 	I could be beaching
you could be beaching
she could be beaching
we could be beaching
you could be beaching
they could be beaching	I could have beached
you could have beached
she could have beached
we could have beached
you could have beached
they could have beached	I could have been beaching
you could have been beaching
she could have been beaching
we could have been beaching
you could have been beaching
they could have been beaching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not beach
you could not beach
she could not beach
we could not beach
you could not beach
they could not beach 	I could not be beaching
you could not be beaching
she could not be beaching
we could not be beaching
you could not be beaching
they could not be beaching	I could not have beached
you could not have beached
she could not have beached
we could not have beached
you could not have beached
they could not have beached	I could not have been beaching
you could not have been beaching
she could not have been beaching
we could not have been beaching
you could not have been beaching
they could not have been beaching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I beach?
could you beach?
could she beach?
could we beach?
could you beach?
could they beach? 	could I be beaching?
could you be beaching?
could she be beaching?
could we be beaching?
could you be beaching?
could they be beaching? 	could I have beached?
could you have beached?
could she have beached?
could we have beached?
could you have beached?
could they have beached? 	could I have been beaching?
could you have been beaching?
could she have been beaching?
could we have been beaching?
could you have been beaching?
could they have been beaching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not beach?
could you not beach?
could she not beach?
could we not beach?
could you not beach?
could they not beach? 	could I not be beaching?
could you not be beaching?
could she not be beaching?
could we not be beaching?
could you not be beaching?
could they not be beaching? 	could I not have beached?
could you not have beached?
could she not have beached?
could we not have beached?
could you not have beached?
could they not have beached? 	could I not have been beaching?
could you not have been beaching?
could she not have been beaching?
could we not have been beaching?
could you not have been beaching?
could they not have been beaching?