English verb conjugation
MUST GUILLOTINE

Regular verb: guillotine - guillotined - guillotined

Affirmation

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

Negation

Simple form	V-ing form
I mustn't guillotine you mustn't guillotine he mustn't guillotine we mustn't guillotine you mustn't guillotine they mustn't guillotine	I mustn't be guillotining you mustn't be guillotining he mustn't be guillotining we mustn't be guillotining you mustn't be guillotining they mustn't be guillotining
Perfect	V-ing perfect
I mustn't have guillotined you mustn't have guillotined he mustn't have guillotined we mustn't have guillotined you mustn't have guillotined they mustn't have guillotined	I mustn't have been guillotining you mustn't have been guillotining he mustn't have been guillotining we mustn't have been guillotining you mustn't have been guillotining they mustn't have been guillotining

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mustn't I guillotine? mustn't you guillotine? mustn't he guillotine? mustn't we guillotine? mustn't you guillotine? mustn't they guillotine?	mustn't I be guillotining? mustn't you be guillotining? mustn't he be guillotining? mustn't we be guillotining? mustn't you be guillotining? mustn't they be guillotining?
Perfect	V-ing perfect
mustn't I have guillotined? mustn't you have guillotined? mustn't he have guillotined? mustn't we have guillotined? mustn't you have guillotined? mustn't they have guillotined?	mustn't I have been guillotining? mustn't you have been guillotining? mustn't he have been guillotining? mustn't we have been guillotining? mustn't you have been guillotining? mustn't they have been guillotining?