English verb conjugation
COULD FRESHEN

Regular verb: freshen - freshened - freshened

Affirmation

Simple form	V-ing form
I could freshen you could freshen he could freshen we could freshen you could freshen they could freshen	I could be freshening you could be freshening he could be freshening we could be freshening you could be freshening they could be freshening
Perfect	V-ing perfect
I could have freshened you could have freshened he could have freshened we could have freshened you could have freshened they could have freshened	I could have been freshening you could have been freshening he could have been freshening we could have been freshening you could have been freshening they could have been freshening

Negation

Simple form	V-ing form
I couldn't freshen you couldn't freshen he couldn't freshen we couldn't freshen you couldn't freshen they couldn't freshen	I couldn't be freshening you couldn't be freshening he couldn't be freshening we couldn't be freshening you couldn't be freshening they couldn't be freshening
Perfect	V-ing perfect
I couldn't have freshened you couldn't have freshened he couldn't have freshened we couldn't have freshened you couldn't have freshened they couldn't have freshened	I couldn't have been freshening you couldn't have been freshening he couldn't have been freshening we couldn't have been freshening you couldn't have been freshening they couldn't have been freshening

Interrogative form

Simple form	V-ing form
could I freshen? could you freshen? could he freshen? could we freshen? could you freshen? could they freshen?	could I be freshening? could you be freshening? could he be freshening? could we be freshening? could you be freshening? could they be freshening?
Perfect	V-ing perfect
could I have freshened? could you have freshened? could he have freshened? could we have freshened? could you have freshened? could they have freshened?	could I have been freshening? could you have been freshening? could he have been freshening? could we have been freshening? could you have been freshening? could they have been freshening?

Interro-negative form

Simple form	V-ing form
couldn't I freshen? couldn't you freshen? couldn't he freshen? couldn't we freshen? couldn't you freshen? couldn't they freshen?	couldn't I be freshening? couldn't you be freshening? couldn't he be freshening? couldn't we be freshening? couldn't you be freshening? couldn't they be freshening?
Perfect	V-ing perfect
couldn't I have freshened? couldn't you have freshened? couldn't he have freshened? couldn't we have freshened? couldn't you have freshened? couldn't they have freshened?	couldn't I have been freshening? couldn't you have been freshening? couldn't he have been freshening? couldn't we have been freshening? couldn't you have been freshening? couldn't they have been freshening?