I could predicate you could predicate he could predicate we could predicate you could predicate they could predicate
V-ing form
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
I could have predicated you could have predicated he could have predicated we could have predicated you could have predicated they could have predicated
V-ing perfect
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
I could not predicate you could not predicate he could not predicate we could not predicate you could not predicate they could not predicate
V-ing form
I could not be predicating you could not be predicating he could not be predicating we could not be predicating you could not be predicating they could not be predicating
Perfect
I could not have predicated you could not have predicated he could not have predicated we could not have predicated you could not have predicated they could not have predicated
V-ing perfect
I could not have been predicating you could not have been predicating he could not have been predicating we could not have been predicating you could not have been predicating they could not have been predicating
Interrogative form
Simple form
could I predicate? could you predicate? could he predicate? could we predicate? could you predicate? could they predicate?
V-ing form
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
could I have predicated? could you have predicated? could he have predicated? could we have predicated? could you have predicated? could they have predicated?
V-ing perfect
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
could I not predicate? could you not predicate? could he not predicate? could we not predicate? could you not predicate? could they not predicate?
V-ing form
could I not be predicating? could you not be predicating? could he not be predicating? could we not be predicating? could you not be predicating? could they not be predicating?
Perfect
could I not have predicated? could you not have predicated? could he not have predicated? could we not have predicated? could you not have predicated? could they not have predicated?
V-ing perfect
could I not have been predicating? could you not have been predicating? could he not have been predicating? could we not have been predicating? could you not have been predicating? could they not have been predicating?