English verb conjugation
MUST QUIP

Regular verb: quip - quipped - quipped

Affirmation

Simple form	V-ing form
I must quip you must quip he must quip we must quip you must quip they must quip	I must be quipping you must be quipping he must be quipping we must be quipping you must be quipping they must be quipping
Perfect	V-ing perfect
I must have quipped you must have quipped he must have quipped we must have quipped you must have quipped they must have quipped	I must have been quipping you must have been quipping he must have been quipping we must have been quipping you must have been quipping they must have been quipping

Negation

Simple form	V-ing form
I mustn't quip you mustn't quip he mustn't quip we mustn't quip you mustn't quip they mustn't quip	I mustn't be quipping you mustn't be quipping he mustn't be quipping we mustn't be quipping you mustn't be quipping they mustn't be quipping
Perfect	V-ing perfect
I mustn't have quipped you mustn't have quipped he mustn't have quipped we mustn't have quipped you mustn't have quipped they mustn't have quipped	I mustn't have been quipping you mustn't have been quipping he mustn't have been quipping we mustn't have been quipping you mustn't have been quipping they mustn't have been quipping

Interrogative form

Simple form	V-ing form
must I quip? must you quip? must he quip? must we quip? must you quip? must they quip?	must I be quipping? must you be quipping? must he be quipping? must we be quipping? must you be quipping? must they be quipping?
Perfect	V-ing perfect
must I have quipped? must you have quipped? must he have quipped? must we have quipped? must you have quipped? must they have quipped?	must I have been quipping? must you have been quipping? must he have been quipping? must we have been quipping? must you have been quipping? must they have been quipping?

Interro-negative form

Simple form	V-ing form
mustn't I quip? mustn't you quip? mustn't he quip? mustn't we quip? mustn't you quip? mustn't they quip?	mustn't I be quipping? mustn't you be quipping? mustn't he be quipping? mustn't we be quipping? mustn't you be quipping? mustn't they be quipping?
Perfect	V-ing perfect
mustn't I have quipped? mustn't you have quipped? mustn't he have quipped? mustn't we have quipped? mustn't you have quipped? mustn't they have quipped?	mustn't I have been quipping? mustn't you have been quipping? mustn't he have been quipping? mustn't we have been quipping? mustn't you have been quipping? mustn't they have been quipping?