English verb conjugation
COULD PREDICATE

Regular verb: predicate - predicated - predicated

Affirmation

Simple form	V-ing form
I could predicate you could predicate he could predicate we could predicate you could predicate they could predicate	I could be predicating you could be predicating he could be predicating we could be predicating you could be predicating they could be predicating
Perfect	V-ing perfect
I could have predicated you could have predicated he could have predicated we could have predicated you could have predicated they could have predicated	I could have been predicating you could have been predicating he could have been predicating we could have been predicating you could have been predicating they could have been predicating

Negation

Simple form	V-ing form
I couldn't predicate you couldn't predicate he couldn't predicate we couldn't predicate you couldn't predicate they couldn't predicate	I couldn't be predicating you couldn't be predicating he couldn't be predicating we couldn't be predicating you couldn't be predicating they couldn't be predicating
Perfect	V-ing perfect
I couldn't have predicated you couldn't have predicated he couldn't have predicated we couldn't have predicated you couldn't have predicated they couldn't have predicated	I couldn't have been predicating you couldn't have been predicating he couldn't have been predicating we couldn't have been predicating you couldn't have been predicating they couldn't have been predicating

Interrogative form

Simple form	V-ing form
could I predicate? could you predicate? could he predicate? could we predicate? could you predicate? could they predicate?	could I be predicating? could you be predicating? could he be predicating? could we be predicating? could you be predicating? could they be predicating?
Perfect	V-ing perfect
could I have predicated? could you have predicated? could he have predicated? could we have predicated? could you have predicated? could they have predicated?	could I have been predicating? could you have been predicating? could he have been predicating? could we have been predicating? could you have been predicating? could they have been predicating?

Interro-negative form

Simple form	V-ing form
couldn't I predicate? couldn't you predicate? couldn't he predicate? couldn't we predicate? couldn't you predicate? couldn't they predicate?	couldn't I be predicating? couldn't you be predicating? couldn't he be predicating? couldn't we be predicating? couldn't you be predicating? couldn't they be predicating?
Perfect	V-ing perfect
couldn't I have predicated? couldn't you have predicated? couldn't he have predicated? couldn't we have predicated? couldn't you have predicated? couldn't they have predicated?	couldn't I have been predicating? couldn't you have been predicating? couldn't he have been predicating? couldn't we have been predicating? couldn't you have been predicating? couldn't they have been predicating?