I could supplicate you could supplicate she could supplicate we could supplicate you could supplicate they could supplicate
V-ing form
I could be supplicating you could be supplicating she could be supplicating we could be supplicating you could be supplicating they could be supplicating
Perfect
I could have supplicated you could have supplicated she could have supplicated we could have supplicated you could have supplicated they could have supplicated
V-ing perfect
I could have been supplicating you could have been supplicating she could have been supplicating we could have been supplicating you could have been supplicating they could have been supplicating
Negation
Simple form
I couldn't supplicate you couldn't supplicate she couldn't supplicate we couldn't supplicate you couldn't supplicate they couldn't supplicate
V-ing form
I couldn't be supplicating you couldn't be supplicating she couldn't be supplicating we couldn't be supplicating you couldn't be supplicating they couldn't be supplicating
Perfect
I couldn't have supplicated you couldn't have supplicated she couldn't have supplicated we couldn't have supplicated you couldn't have supplicated they couldn't have supplicated
V-ing perfect
I couldn't have been supplicating you couldn't have been supplicating she couldn't have been supplicating we couldn't have been supplicating you couldn't have been supplicating they couldn't have been supplicating
Interrogative form
Simple form
could I supplicate? could you supplicate? could she supplicate? could we supplicate? could you supplicate? could they supplicate?
V-ing form
could I be supplicating? could you be supplicating? could she be supplicating? could we be supplicating? could you be supplicating? could they be supplicating?
Perfect
could I have supplicated? could you have supplicated? could she have supplicated? could we have supplicated? could you have supplicated? could they have supplicated?
V-ing perfect
could I have been supplicating? could you have been supplicating? could she have been supplicating? could we have been supplicating? could you have been supplicating? could they have been supplicating?
Interro-negative form
Simple form
couldn't I supplicate? couldn't you supplicate? couldn't she supplicate? couldn't we supplicate? couldn't you supplicate? couldn't they supplicate?
V-ing form
couldn't I be supplicating? couldn't you be supplicating? couldn't she be supplicating? couldn't we be supplicating? couldn't you be supplicating? couldn't they be supplicating?
Perfect
couldn't I have supplicated? couldn't you have supplicated? couldn't she have supplicated? couldn't we have supplicated? couldn't you have supplicated? couldn't they have supplicated?
V-ing perfect
couldn't I have been supplicating? couldn't you have been supplicating? couldn't she have been supplicating? couldn't we have been supplicating? couldn't you have been supplicating? couldn't they have been supplicating?