English verb conjugation
COULD MERCURATE

Regular verb: mercurate - mercurated - mercurated

Affirmation

Simple form	V-ing form
I could mercurate you could mercurate he could mercurate we could mercurate you could mercurate they could mercurate	I could be mercurating you could be mercurating he could be mercurating we could be mercurating you could be mercurating they could be mercurating
Perfect	V-ing perfect
I could have mercurated you could have mercurated he could have mercurated we could have mercurated you could have mercurated they could have mercurated	I could have been mercurating you could have been mercurating he could have been mercurating we could have been mercurating you could have been mercurating they could have been mercurating

Negation

Simple form	V-ing form
I couldn't mercurate you couldn't mercurate he couldn't mercurate we couldn't mercurate you couldn't mercurate they couldn't mercurate	I couldn't be mercurating you couldn't be mercurating he couldn't be mercurating we couldn't be mercurating you couldn't be mercurating they couldn't be mercurating
Perfect	V-ing perfect
I couldn't have mercurated you couldn't have mercurated he couldn't have mercurated we couldn't have mercurated you couldn't have mercurated they couldn't have mercurated	I couldn't have been mercurating you couldn't have been mercurating he couldn't have been mercurating we couldn't have been mercurating you couldn't have been mercurating they couldn't have been mercurating

Interrogative form

Simple form	V-ing form
could I mercurate? could you mercurate? could he mercurate? could we mercurate? could you mercurate? could they mercurate?	could I be mercurating? could you be mercurating? could he be mercurating? could we be mercurating? could you be mercurating? could they be mercurating?
Perfect	V-ing perfect
could I have mercurated? could you have mercurated? could he have mercurated? could we have mercurated? could you have mercurated? could they have mercurated?	could I have been mercurating? could you have been mercurating? could he have been mercurating? could we have been mercurating? could you have been mercurating? could they have been mercurating?

Interro-negative form

Simple form	V-ing form
couldn't I mercurate? couldn't you mercurate? couldn't he mercurate? couldn't we mercurate? couldn't you mercurate? couldn't they mercurate?	couldn't I be mercurating? couldn't you be mercurating? couldn't he be mercurating? couldn't we be mercurating? couldn't you be mercurating? couldn't they be mercurating?
Perfect	V-ing perfect
couldn't I have mercurated? couldn't you have mercurated? couldn't he have mercurated? couldn't we have mercurated? couldn't you have mercurated? couldn't they have mercurated?	couldn't I have been mercurating? couldn't you have been mercurating? couldn't he have been mercurating? couldn't we have been mercurating? couldn't you have been mercurating? couldn't they have been mercurating?