English verb conjugation
MUST WHIP

Regular verb: whip - whipped - whipped

Affirmation

Simple form	V-ing form
I must whip you must whip he must whip we must whip you must whip they must whip	I must be whipping you must be whipping he must be whipping we must be whipping you must be whipping they must be whipping
Perfect	V-ing perfect
I must have whipped you must have whipped he must have whipped we must have whipped you must have whipped they must have whipped	I must have been whipping you must have been whipping he must have been whipping we must have been whipping you must have been whipping they must have been whipping

Negation

Simple form	V-ing form
I mustn't whip you mustn't whip he mustn't whip we mustn't whip you mustn't whip they mustn't whip	I mustn't be whipping you mustn't be whipping he mustn't be whipping we mustn't be whipping you mustn't be whipping they mustn't be whipping
Perfect	V-ing perfect
I mustn't have whipped you mustn't have whipped he mustn't have whipped we mustn't have whipped you mustn't have whipped they mustn't have whipped	I mustn't have been whipping you mustn't have been whipping he mustn't have been whipping we mustn't have been whipping you mustn't have been whipping they mustn't have been whipping

Interrogative form

Simple form	V-ing form
must I whip? must you whip? must he whip? must we whip? must you whip? must they whip?	must I be whipping? must you be whipping? must he be whipping? must we be whipping? must you be whipping? must they be whipping?
Perfect	V-ing perfect
must I have whipped? must you have whipped? must he have whipped? must we have whipped? must you have whipped? must they have whipped?	must I have been whipping? must you have been whipping? must he have been whipping? must we have been whipping? must you have been whipping? must they have been whipping?

Interro-negative form

Simple form	V-ing form
mustn't I whip? mustn't you whip? mustn't he whip? mustn't we whip? mustn't you whip? mustn't they whip?	mustn't I be whipping? mustn't you be whipping? mustn't he be whipping? mustn't we be whipping? mustn't you be whipping? mustn't they be whipping?
Perfect	V-ing perfect
mustn't I have whipped? mustn't you have whipped? mustn't he have whipped? mustn't we have whipped? mustn't you have whipped? mustn't they have whipped?	mustn't I have been whipping? mustn't you have been whipping? mustn't he have been whipping? mustn't we have been whipping? mustn't you have been whipping? mustn't they have been whipping?