could refresh
Regular verb: refresh - refreshed- refreshed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could refresh
you could refresh
she could refresh
we could refresh
you could refresh
they could refresh 	I could be refreshing
you could be refreshing
she could be refreshing
we could be refreshing
you could be refreshing
they could be refreshing	I could have refreshed
you could have refreshed
she could have refreshed
we could have refreshed
you could have refreshed
they could have refreshed	I could have been refreshing
you could have been refreshing
she could have been refreshing
we could have been refreshing
you could have been refreshing
they could have been refreshing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't refresh
you couldn't refresh
she couldn't refresh
we couldn't refresh
you couldn't refresh
they couldn't refresh 	I couldn't be refreshing
you couldn't be refreshing
she couldn't be refreshing
we couldn't be refreshing
you couldn't be refreshing
they couldn't be refreshing	I couldn't have refreshed
you couldn't have refreshed
she couldn't have refreshed
we couldn't have refreshed
you couldn't have refreshed
they couldn't have refreshed	I couldn't have been refreshing
you couldn't have been refreshing
she couldn't have been refreshing
we couldn't have been refreshing
you couldn't have been refreshing
they couldn't have been refreshing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I refresh?
could you refresh?
could she refresh?
could we refresh?
could you refresh?
could they refresh? 	could I be refreshing?
could you be refreshing?
could she be refreshing?
could we be refreshing?
could you be refreshing?
could they be refreshing? 	could I have refreshed?
could you have refreshed?
could she have refreshed?
could we have refreshed?
could you have refreshed?
could they have refreshed? 	could I have been refreshing?
could you have been refreshing?
could she have been refreshing?
could we have been refreshing?
could you have been refreshing?
could they have been refreshing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I refresh?
couldn't you refresh?
couldn't she refresh?
couldn't we refresh?
couldn't you refresh?
couldn't they refresh? 	couldn't I be refreshing?
couldn't you be refreshing?
couldn't she be refreshing?
couldn't we be refreshing?
couldn't you be refreshing?
couldn't they be refreshing? 	couldn't I have refreshed?
couldn't you have refreshed?
couldn't she have refreshed?
couldn't we have refreshed?
couldn't you have refreshed?
couldn't they have refreshed? 	couldn't I have been refreshing?
couldn't you have been refreshing?
couldn't she have been refreshing?
couldn't we have been refreshing?
couldn't you have been refreshing?
couldn't they have been refreshing?