English verb conjugation
MUST PULL

Regular verb: pull - pulled - pulled

Affirmation

Simple form	V-ing form
I must pull you must pull he must pull we must pull you must pull they must pull	I must be pulling you must be pulling he must be pulling we must be pulling you must be pulling they must be pulling
Perfect	V-ing perfect
I must have pulled you must have pulled he must have pulled we must have pulled you must have pulled they must have pulled	I must have been pulling you must have been pulling he must have been pulling we must have been pulling you must have been pulling they must have been pulling

Negation

Simple form	V-ing form
I mustn't pull you mustn't pull he mustn't pull we mustn't pull you mustn't pull they mustn't pull	I mustn't be pulling you mustn't be pulling he mustn't be pulling we mustn't be pulling you mustn't be pulling they mustn't be pulling
Perfect	V-ing perfect
I mustn't have pulled you mustn't have pulled he mustn't have pulled we mustn't have pulled you mustn't have pulled they mustn't have pulled	I mustn't have been pulling you mustn't have been pulling he mustn't have been pulling we mustn't have been pulling you mustn't have been pulling they mustn't have been pulling

Interrogative form

Simple form	V-ing form
must I pull? must you pull? must he pull? must we pull? must you pull? must they pull?	must I be pulling? must you be pulling? must he be pulling? must we be pulling? must you be pulling? must they be pulling?
Perfect	V-ing perfect
must I have pulled? must you have pulled? must he have pulled? must we have pulled? must you have pulled? must they have pulled?	must I have been pulling? must you have been pulling? must he have been pulling? must we have been pulling? must you have been pulling? must they have been pulling?

Interro-negative form

Simple form	V-ing form
mustn't I pull? mustn't you pull? mustn't he pull? mustn't we pull? mustn't you pull? mustn't they pull?	mustn't I be pulling? mustn't you be pulling? mustn't he be pulling? mustn't we be pulling? mustn't you be pulling? mustn't they be pulling?
Perfect	V-ing perfect
mustn't I have pulled? mustn't you have pulled? mustn't he have pulled? mustn't we have pulled? mustn't you have pulled? mustn't they have pulled?	mustn't I have been pulling? mustn't you have been pulling? mustn't he have been pulling? mustn't we have been pulling? mustn't you have been pulling? mustn't they have been pulling?