English verb conjugation
MUST WHINE

Regular verb: whine - whined - whined

Affirmation

Simple form	V-ing form
I must whine you must whine he must whine we must whine you must whine they must whine	I must be whining you must be whining he must be whining we must be whining you must be whining they must be whining
Perfect	V-ing perfect
I must have whined you must have whined he must have whined we must have whined you must have whined they must have whined	I must have been whining you must have been whining he must have been whining we must have been whining you must have been whining they must have been whining

Negation

Simple form	V-ing form
I must not whine you must not whine he must not whine we must not whine you must not whine they must not whine	I must not be whining you must not be whining he must not be whining we must not be whining you must not be whining they must not be whining
Perfect	V-ing perfect
I must not have whined you must not have whined he must not have whined we must not have whined you must not have whined they must not have whined	I must not have been whining you must not have been whining he must not have been whining we must not have been whining you must not have been whining they must not have been whining

Interrogative form

Simple form	V-ing form
must I whine? must you whine? must he whine? must we whine? must you whine? must they whine?	must I be whining? must you be whining? must he be whining? must we be whining? must you be whining? must they be whining?
Perfect	V-ing perfect
must I have whined? must you have whined? must he have whined? must we have whined? must you have whined? must they have whined?	must I have been whining? must you have been whining? must he have been whining? must we have been whining? must you have been whining? must they have been whining?

Interro-negative form

Simple form	V-ing form
must I not whine? must you not whine? must he not whine? must we not whine? must you not whine? must they not whine?	must I not be whining? must you not be whining? must he not be whining? must we not be whining? must you not be whining? must they not be whining?
Perfect	V-ing perfect
must I not have whined? must you not have whined? must he not have whined? must we not have whined? must you not have whined? must they not have whined?	must I not have been whining? must you not have been whining? must he not have been whining? must we not have been whining? must you not have been whining? must they not have been whining?