English verb conjugation
COULD FURNISH

Regular verb: furnish - furnished - furnished

Affirmation

Simple form	V-ing form
I could furnish you could furnish he could furnish we could furnish you could furnish they could furnish	I could be furnishing you could be furnishing he could be furnishing we could be furnishing you could be furnishing they could be furnishing
Perfect	V-ing perfect
I could have furnished you could have furnished he could have furnished we could have furnished you could have furnished they could have furnished	I could have been furnishing you could have been furnishing he could have been furnishing we could have been furnishing you could have been furnishing they could have been furnishing

Negation

Simple form	V-ing form
I couldn't furnish you couldn't furnish he couldn't furnish we couldn't furnish you couldn't furnish they couldn't furnish	I couldn't be furnishing you couldn't be furnishing he couldn't be furnishing we couldn't be furnishing you couldn't be furnishing they couldn't be furnishing
Perfect	V-ing perfect
I couldn't have furnished you couldn't have furnished he couldn't have furnished we couldn't have furnished you couldn't have furnished they couldn't have furnished	I couldn't have been furnishing you couldn't have been furnishing he couldn't have been furnishing we couldn't have been furnishing you couldn't have been furnishing they couldn't have been furnishing

Interrogative form

Simple form	V-ing form
could I furnish? could you furnish? could he furnish? could we furnish? could you furnish? could they furnish?	could I be furnishing? could you be furnishing? could he be furnishing? could we be furnishing? could you be furnishing? could they be furnishing?
Perfect	V-ing perfect
could I have furnished? could you have furnished? could he have furnished? could we have furnished? could you have furnished? could they have furnished?	could I have been furnishing? could you have been furnishing? could he have been furnishing? could we have been furnishing? could you have been furnishing? could they have been furnishing?

Interro-negative form

Simple form	V-ing form
couldn't I furnish? couldn't you furnish? couldn't he furnish? couldn't we furnish? couldn't you furnish? couldn't they furnish?	couldn't I be furnishing? couldn't you be furnishing? couldn't he be furnishing? couldn't we be furnishing? couldn't you be furnishing? couldn't they be furnishing?
Perfect	V-ing perfect
couldn't I have furnished? couldn't you have furnished? couldn't he have furnished? couldn't we have furnished? couldn't you have furnished? couldn't they have furnished?	couldn't I have been furnishing? couldn't you have been furnishing? couldn't he have been furnishing? couldn't we have been furnishing? couldn't you have been furnishing? couldn't they have been furnishing?