must pull
Regular verb: pull - pulled- pulled

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