English verb conjugation
MUST POUNCE

Regular verb: pounce - pounced - pounced

Affirmation

Simple form	V-ing form
I must pounce you must pounce he must pounce we must pounce you must pounce they must pounce	I must be pouncing you must be pouncing he must be pouncing we must be pouncing you must be pouncing they must be pouncing
Perfect	V-ing perfect
I must have pounced you must have pounced he must have pounced we must have pounced you must have pounced they must have pounced	I must have been pouncing you must have been pouncing he must have been pouncing we must have been pouncing you must have been pouncing they must have been pouncing

Negation

Simple form	V-ing form
I mustn't pounce you mustn't pounce he mustn't pounce we mustn't pounce you mustn't pounce they mustn't pounce	I mustn't be pouncing you mustn't be pouncing he mustn't be pouncing we mustn't be pouncing you mustn't be pouncing they mustn't be pouncing
Perfect	V-ing perfect
I mustn't have pounced you mustn't have pounced he mustn't have pounced we mustn't have pounced you mustn't have pounced they mustn't have pounced	I mustn't have been pouncing you mustn't have been pouncing he mustn't have been pouncing we mustn't have been pouncing you mustn't have been pouncing they mustn't have been pouncing

Interrogative form

Simple form	V-ing form
must I pounce? must you pounce? must he pounce? must we pounce? must you pounce? must they pounce?	must I be pouncing? must you be pouncing? must he be pouncing? must we be pouncing? must you be pouncing? must they be pouncing?
Perfect	V-ing perfect
must I have pounced? must you have pounced? must he have pounced? must we have pounced? must you have pounced? must they have pounced?	must I have been pouncing? must you have been pouncing? must he have been pouncing? must we have been pouncing? must you have been pouncing? must they have been pouncing?

Interro-negative form

Simple form	V-ing form
mustn't I pounce? mustn't you pounce? mustn't he pounce? mustn't we pounce? mustn't you pounce? mustn't they pounce?	mustn't I be pouncing? mustn't you be pouncing? mustn't he be pouncing? mustn't we be pouncing? mustn't you be pouncing? mustn't they be pouncing?
Perfect	V-ing perfect
mustn't I have pounced? mustn't you have pounced? mustn't he have pounced? mustn't we have pounced? mustn't you have pounced? mustn't they have pounced?	mustn't I have been pouncing? mustn't you have been pouncing? mustn't he have been pouncing? mustn't we have been pouncing? mustn't you have been pouncing? mustn't they have been pouncing?