English verb conjugation
COULD DECOCT

Regular verb: decoct - decocted - decocted

Affirmation

Simple form	V-ing form
I could decoct you could decoct she could decoct we could decoct you could decoct they could decoct	I could be decocting you could be decocting she could be decocting we could be decocting you could be decocting they could be decocting
Perfect	V-ing perfect
I could have decocted you could have decocted she could have decocted we could have decocted you could have decocted they could have decocted	I could have been decocting you could have been decocting she could have been decocting we could have been decocting you could have been decocting they could have been decocting

Negation

Simple form	V-ing form
I couldn't decoct you couldn't decoct she couldn't decoct we couldn't decoct you couldn't decoct they couldn't decoct	I couldn't be decocting you couldn't be decocting she couldn't be decocting we couldn't be decocting you couldn't be decocting they couldn't be decocting
Perfect	V-ing perfect
I couldn't have decocted you couldn't have decocted she couldn't have decocted we couldn't have decocted you couldn't have decocted they couldn't have decocted	I couldn't have been decocting you couldn't have been decocting she couldn't have been decocting we couldn't have been decocting you couldn't have been decocting they couldn't have been decocting

Interrogative form

Simple form	V-ing form
could I decoct? could you decoct? could she decoct? could we decoct? could you decoct? could they decoct?	could I be decocting? could you be decocting? could she be decocting? could we be decocting? could you be decocting? could they be decocting?
Perfect	V-ing perfect
could I have decocted? could you have decocted? could she have decocted? could we have decocted? could you have decocted? could they have decocted?	could I have been decocting? could you have been decocting? could she have been decocting? could we have been decocting? could you have been decocting? could they have been decocting?

Interro-negative form

Simple form	V-ing form
couldn't I decoct? couldn't you decoct? couldn't she decoct? couldn't we decoct? couldn't you decoct? couldn't they decoct?	couldn't I be decocting? couldn't you be decocting? couldn't she be decocting? couldn't we be decocting? couldn't you be decocting? couldn't they be decocting?
Perfect	V-ing perfect
couldn't I have decocted? couldn't you have decocted? couldn't she have decocted? couldn't we have decocted? couldn't you have decocted? couldn't they have decocted?	couldn't I have been decocting? couldn't you have been decocting? couldn't she have been decocting? couldn't we have been decocting? couldn't you have been decocting? couldn't they have been decocting?