English verb conjugation
COULD CACHE

Regular verb: cache - cached - cached

Affirmation

Simple form	V-ing form
I could cache you could cache he could cache we could cache you could cache they could cache	I could be caching you could be caching he 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 he 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 he 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 couldn't cache you couldn't cache he couldn't cache we couldn't cache you couldn't cache they couldn't cache	I couldn't be caching you couldn't be caching he couldn't be caching we couldn't be caching you couldn't be caching they couldn't be caching
Perfect	V-ing perfect
I couldn't have cached you couldn't have cached he couldn't have cached we couldn't have cached you couldn't have cached they couldn't have cached	I couldn't have been caching you couldn't have been caching he couldn't have been caching we couldn't have been caching you couldn't have been caching they couldn't have been caching

Interrogative form

Simple form	V-ing form
could I cache? could you cache? could he cache? could we cache? could you cache? could they cache?	could I be caching? could you be caching? could he 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 he 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 he 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
couldn't I cache? couldn't you cache? couldn't he cache? couldn't we cache? couldn't you cache? couldn't they cache?	couldn't I be caching? couldn't you be caching? couldn't he be caching? couldn't we be caching? couldn't you be caching? couldn't they be caching?
Perfect	V-ing perfect
couldn't I have cached? couldn't you have cached? couldn't he have cached? couldn't we have cached? couldn't you have cached? couldn't they have cached?	couldn't I have been caching? couldn't you have been caching? couldn't he have been caching? couldn't we have been caching? couldn't you have been caching? couldn't they have been caching?