English verb conjugation
COULD CACHE

Regular verb: cache - cached - cached

Affirmation

Simple form	V-ing form
I could cache you could cache she could cache we could cache you could cache they could cache	I could be caching you could be caching she could be caching we could be caching you could be caching they could be caching
Perfect	V-ing perfect
I could have cached you could have cached she could have cached we could have cached you could have cached they could have cached	I could have been caching you could have been caching she could have been caching we could have been caching you could have been caching they could have been caching

Negation

Simple form	V-ing form
I could not cache you could not cache she could not cache we could not cache you could not cache they could not cache	I could not be caching you could not be caching she could not be caching we could not be caching you could not be caching they could not be caching
Perfect	V-ing perfect
I could not have cached you could not have cached she could not have cached we could not have cached you could not have cached they could not have cached	I could not have been caching you could not have been caching she could not have been caching we could not have been caching you could not have been caching they could not have been caching

Interrogative form

Simple form	V-ing form
could I cache? could you cache? could she cache? could we cache? could you cache? could they cache?	could I be caching? could you be caching? could she be caching? could we be caching? could you be caching? could they be caching?
Perfect	V-ing perfect
could I have cached? could you have cached? could she have cached? could we have cached? could you have cached? could they have cached?	could I have been caching? could you have been caching? could she have been caching? could we have been caching? could you have been caching? could they have been caching?

Interro-negative form

Simple form	V-ing form
could I not cache? could you not cache? could she not cache? could we not cache? could you not cache? could they not cache?	could I not be caching? could you not be caching? could she not be caching? could we not be caching? could you not be caching? could they not be caching?
Perfect	V-ing perfect
could I not have cached? could you not have cached? could she not have cached? could we not have cached? could you not have cached? could they not have cached?	could I not have been caching? could you not have been caching? could she not have been caching? could we not have been caching? could you not have been caching? could they not have been caching?