I must predefine you must predefine he must predefine we must predefine you must predefine they must predefine
V-ing form
I must be predefining you must be predefining he must be predefining we must be predefining you must be predefining they must be predefining
Perfect
I must have predefined you must have predefined he must have predefined we must have predefined you must have predefined they must have predefined
V-ing perfect
I must have been predefining you must have been predefining he must have been predefining we must have been predefining you must have been predefining they must have been predefining
Negation
Simple form
I must not predefine you must not predefine he must not predefine we must not predefine you must not predefine they must not predefine
V-ing form
I must not be predefining you must not be predefining he must not be predefining we must not be predefining you must not be predefining they must not be predefining
Perfect
I must not have predefined you must not have predefined he must not have predefined we must not have predefined you must not have predefined they must not have predefined
V-ing perfect
I must not have been predefining you must not have been predefining he must not have been predefining we must not have been predefining you must not have been predefining they must not have been predefining
Interrogative form
Simple form
must I predefine? must you predefine? must he predefine? must we predefine? must you predefine? must they predefine?
V-ing form
must I be predefining? must you be predefining? must he be predefining? must we be predefining? must you be predefining? must they be predefining?
Perfect
must I have predefined? must you have predefined? must he have predefined? must we have predefined? must you have predefined? must they have predefined?
V-ing perfect
must I have been predefining? must you have been predefining? must he have been predefining? must we have been predefining? must you have been predefining? must they have been predefining?
Interro-negative form
Simple form
must I not predefine? must you not predefine? must he not predefine? must we not predefine? must you not predefine? must they not predefine?
V-ing form
must I not be predefining? must you not be predefining? must he not be predefining? must we not be predefining? must you not be predefining? must they not be predefining?
Perfect
must I not have predefined? must you not have predefined? must he not have predefined? must we not have predefined? must you not have predefined? must they not have predefined?
V-ing perfect
must I not have been predefining? must you not have been predefining? must he not have been predefining? must we not have been predefining? must you not have been predefining? must they not have been predefining?