English verb conjugation
COULD PERFUME

Regular verb: perfume - perfumed - perfumed

Affirmation

Simple form	V-ing form
I could perfume you could perfume she could perfume we could perfume you could perfume they could perfume	I could be perfuming you could be perfuming she could be perfuming we could be perfuming you could be perfuming they could be perfuming
Perfect	V-ing perfect
I could have perfumed you could have perfumed she could have perfumed we could have perfumed you could have perfumed they could have perfumed	I could have been perfuming you could have been perfuming she could have been perfuming we could have been perfuming you could have been perfuming they could have been perfuming

Negation

Simple form	V-ing form
I couldn't perfume you couldn't perfume she couldn't perfume we couldn't perfume you couldn't perfume they couldn't perfume	I couldn't be perfuming you couldn't be perfuming she couldn't be perfuming we couldn't be perfuming you couldn't be perfuming they couldn't be perfuming
Perfect	V-ing perfect
I couldn't have perfumed you couldn't have perfumed she couldn't have perfumed we couldn't have perfumed you couldn't have perfumed they couldn't have perfumed	I couldn't have been perfuming you couldn't have been perfuming she couldn't have been perfuming we couldn't have been perfuming you couldn't have been perfuming they couldn't have been perfuming

Interrogative form

Simple form	V-ing form
could I perfume? could you perfume? could she perfume? could we perfume? could you perfume? could they perfume?	could I be perfuming? could you be perfuming? could she be perfuming? could we be perfuming? could you be perfuming? could they be perfuming?
Perfect	V-ing perfect
could I have perfumed? could you have perfumed? could she have perfumed? could we have perfumed? could you have perfumed? could they have perfumed?	could I have been perfuming? could you have been perfuming? could she have been perfuming? could we have been perfuming? could you have been perfuming? could they have been perfuming?

Interro-negative form

Simple form	V-ing form
couldn't I perfume? couldn't you perfume? couldn't she perfume? couldn't we perfume? couldn't you perfume? couldn't they perfume?	couldn't I be perfuming? couldn't you be perfuming? couldn't she be perfuming? couldn't we be perfuming? couldn't you be perfuming? couldn't they be perfuming?
Perfect	V-ing perfect
couldn't I have perfumed? couldn't you have perfumed? couldn't she have perfumed? couldn't we have perfumed? couldn't you have perfumed? couldn't they have perfumed?	couldn't I have been perfuming? couldn't you have been perfuming? couldn't she have been perfuming? couldn't we have been perfuming? couldn't you have been perfuming? couldn't they have been perfuming?