English verb conjugation
COULD CORDUROY

Regular verb: corduroy - corduroyed - corduroyed

Affirmation

Simple form	V-ing form
I could corduroy you could corduroy he could corduroy we could corduroy you could corduroy they could corduroy	I could be corduroying you could be corduroying he could be corduroying we could be corduroying you could be corduroying they could be corduroying
Perfect	V-ing perfect
I could have corduroyed you could have corduroyed he could have corduroyed we could have corduroyed you could have corduroyed they could have corduroyed	I could have been corduroying you could have been corduroying he could have been corduroying we could have been corduroying you could have been corduroying they could have been corduroying

Negation

Simple form	V-ing form
I couldn't corduroy you couldn't corduroy he couldn't corduroy we couldn't corduroy you couldn't corduroy they couldn't corduroy	I couldn't be corduroying you couldn't be corduroying he couldn't be corduroying we couldn't be corduroying you couldn't be corduroying they couldn't be corduroying
Perfect	V-ing perfect
I couldn't have corduroyed you couldn't have corduroyed he couldn't have corduroyed we couldn't have corduroyed you couldn't have corduroyed they couldn't have corduroyed	I couldn't have been corduroying you couldn't have been corduroying he couldn't have been corduroying we couldn't have been corduroying you couldn't have been corduroying they couldn't have been corduroying

Interrogative form

Simple form	V-ing form
could I corduroy? could you corduroy? could he corduroy? could we corduroy? could you corduroy? could they corduroy?	could I be corduroying? could you be corduroying? could he be corduroying? could we be corduroying? could you be corduroying? could they be corduroying?
Perfect	V-ing perfect
could I have corduroyed? could you have corduroyed? could he have corduroyed? could we have corduroyed? could you have corduroyed? could they have corduroyed?	could I have been corduroying? could you have been corduroying? could he have been corduroying? could we have been corduroying? could you have been corduroying? could they have been corduroying?

Interro-negative form

Simple form	V-ing form
couldn't I corduroy? couldn't you corduroy? couldn't he corduroy? couldn't we corduroy? couldn't you corduroy? couldn't they corduroy?	couldn't I be corduroying? couldn't you be corduroying? couldn't he be corduroying? couldn't we be corduroying? couldn't you be corduroying? couldn't they be corduroying?
Perfect	V-ing perfect
couldn't I have corduroyed? couldn't you have corduroyed? couldn't he have corduroyed? couldn't we have corduroyed? couldn't you have corduroyed? couldn't they have corduroyed?	couldn't I have been corduroying? couldn't you have been corduroying? couldn't he have been corduroying? couldn't we have been corduroying? couldn't you have been corduroying? couldn't they have been corduroying?