English verb conjugation
COULD GUILLOTINE

Regular verb: guillotine - guillotined - guillotined

Affirmation

Simple form	V-ing form
I could guillotine you could guillotine he could guillotine we could guillotine you could guillotine they could guillotine	I could be guillotining you could be guillotining he could be guillotining we could be guillotining you could be guillotining they could be guillotining
Perfect	V-ing perfect
I could have guillotined you could have guillotined he could have guillotined we could have guillotined you could have guillotined they could have guillotined	I could have been guillotining you could have been guillotining he could have been guillotining we could have been guillotining you could have been guillotining they could have been guillotining

Negation

Simple form	V-ing form
I could not guillotine you could not guillotine he could not guillotine we could not guillotine you could not guillotine they could not guillotine	I could not be guillotining you could not be guillotining he could not be guillotining we could not be guillotining you could not be guillotining they could not be guillotining
Perfect	V-ing perfect
I could not have guillotined you could not have guillotined he could not have guillotined we could not have guillotined you could not have guillotined they could not have guillotined	I could not have been guillotining you could not have been guillotining he could not have been guillotining we could not have been guillotining you could not have been guillotining they could not have been guillotining

Interrogative form

Simple form	V-ing form
could I guillotine? could you guillotine? could he guillotine? could we guillotine? could you guillotine? could they guillotine?	could I be guillotining? could you be guillotining? could he be guillotining? could we be guillotining? could you be guillotining? could they be guillotining?
Perfect	V-ing perfect
could I have guillotined? could you have guillotined? could he have guillotined? could we have guillotined? could you have guillotined? could they have guillotined?	could I have been guillotining? could you have been guillotining? could he have been guillotining? could we have been guillotining? could you have been guillotining? could they have been guillotining?

Interro-negative form

Simple form	V-ing form
could I not guillotine? could you not guillotine? could he not guillotine? could we not guillotine? could you not guillotine? could they not guillotine?	could I not be guillotining? could you not be guillotining? could he not be guillotining? could we not be guillotining? could you not be guillotining? could they not be guillotining?
Perfect	V-ing perfect
could I not have guillotined? could you not have guillotined? could he not have guillotined? could we not have guillotined? could you not have guillotined? could they not have guillotined?	could I not have been guillotining? could you not have been guillotining? could he not have been guillotining? could we not have been guillotining? could you not have been guillotining? could they not have been guillotining?