English verb conjugation
COULD REFRESH

Regular verb: refresh - refreshed - refreshed

Affirmation

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