could bush
Regular verb: bush - bushed- bushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bush
you could bush
she could bush
we could bush
you could bush
they could bush 	I could be bushing
you could be bushing
she could be bushing
we could be bushing
you could be bushing
they could be bushing	I could have bushed
you could have bushed
she could have bushed
we could have bushed
you could have bushed
they could have bushed	I could have been bushing
you could have been bushing
she could have been bushing
we could have been bushing
you could have been bushing
they could have been bushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not bush
you could not bush
she could not bush
we could not bush
you could not bush
they could not bush 	I could not be bushing
you could not be bushing
she could not be bushing
we could not be bushing
you could not be bushing
they could not be bushing	I could not have bushed
you could not have bushed
she could not have bushed
we could not have bushed
you could not have bushed
they could not have bushed	I could not have been bushing
you could not have been bushing
she could not have been bushing
we could not have been bushing
you could not have been bushing
they could not have been bushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bush?
could you bush?
could she bush?
could we bush?
could you bush?
could they bush? 	could I be bushing?
could you be bushing?
could she be bushing?
could we be bushing?
could you be bushing?
could they be bushing? 	could I have bushed?
could you have bushed?
could she have bushed?
could we have bushed?
could you have bushed?
could they have bushed? 	could I have been bushing?
could you have been bushing?
could she have been bushing?
could we have been bushing?
could you have been bushing?
could they have been bushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not bush?
could you not bush?
could she not bush?
could we not bush?
could you not bush?
could they not bush? 	could I not be bushing?
could you not be bushing?
could she not be bushing?
could we not be bushing?
could you not be bushing?
could they not be bushing? 	could I not have bushed?
could you not have bushed?
could she not have bushed?
could we not have bushed?
could you not have bushed?
could they not have bushed? 	could I not have been bushing?
could you not have been bushing?
could she not have been bushing?
could we not have been bushing?
could you not have been bushing?
could they not have been bushing?