English verb conjugation
MUST POUNCE

Regular verb: pounce - pounced - pounced

Affirmation

Simple form	V-ing form
I must pounce you must pounce she must pounce we must pounce you must pounce they must pounce	I must be pouncing you must be pouncing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she pounce? must we pounce? must you pounce? must they pounce?	must I be pouncing? must you be pouncing? must she 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 she 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 she 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 she 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 she 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 she 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 she have been pouncing? mustn't we have been pouncing? mustn't you have been pouncing? mustn't they have been pouncing?