English verb conjugation
COULD SUBORN

Regular verb: suborn - suborned - suborned

Affirmation

Simple form	V-ing form
I could suborn you could suborn he could suborn we could suborn you could suborn they could suborn	I could be suborning you could be suborning he could be suborning we could be suborning you could be suborning they could be suborning
Perfect	V-ing perfect
I could have suborned you could have suborned he could have suborned we could have suborned you could have suborned they could have suborned	I could have been suborning you could have been suborning he could have been suborning we could have been suborning you could have been suborning they could have been suborning

Negation

Simple form	V-ing form
I couldn't suborn you couldn't suborn he couldn't suborn we couldn't suborn you couldn't suborn they couldn't suborn	I couldn't be suborning you couldn't be suborning he couldn't be suborning we couldn't be suborning you couldn't be suborning they couldn't be suborning
Perfect	V-ing perfect
I couldn't have suborned you couldn't have suborned he couldn't have suborned we couldn't have suborned you couldn't have suborned they couldn't have suborned	I couldn't have been suborning you couldn't have been suborning he couldn't have been suborning we couldn't have been suborning you couldn't have been suborning they couldn't have been suborning

Interrogative form

Simple form	V-ing form
could I suborn? could you suborn? could he suborn? could we suborn? could you suborn? could they suborn?	could I be suborning? could you be suborning? could he be suborning? could we be suborning? could you be suborning? could they be suborning?
Perfect	V-ing perfect
could I have suborned? could you have suborned? could he have suborned? could we have suborned? could you have suborned? could they have suborned?	could I have been suborning? could you have been suborning? could he have been suborning? could we have been suborning? could you have been suborning? could they have been suborning?

Interro-negative form

Simple form	V-ing form
couldn't I suborn? couldn't you suborn? couldn't he suborn? couldn't we suborn? couldn't you suborn? couldn't they suborn?	couldn't I be suborning? couldn't you be suborning? couldn't he be suborning? couldn't we be suborning? couldn't you be suborning? couldn't they be suborning?
Perfect	V-ing perfect
couldn't I have suborned? couldn't you have suborned? couldn't he have suborned? couldn't we have suborned? couldn't you have suborned? couldn't they have suborned?	couldn't I have been suborning? couldn't you have been suborning? couldn't he have been suborning? couldn't we have been suborning? couldn't you have been suborning? couldn't they have been suborning?