must claim
Regular verb: claim - claimed- claimed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must claim
you must claim
she must claim
we must claim
you must claim
they must claim 	I must be claiming
you must be claiming
she must be claiming
we must be claiming
you must be claiming
they must be claiming	I must have claimed
you must have claimed
she must have claimed
we must have claimed
you must have claimed
they must have claimed	I must have been claiming
you must have been claiming
she must have been claiming
we must have been claiming
you must have been claiming
they must have been claiming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't claim
you mustn't claim
she mustn't claim
we mustn't claim
you mustn't claim
they mustn't claim 	I mustn't be claiming
you mustn't be claiming
she mustn't be claiming
we mustn't be claiming
you mustn't be claiming
they mustn't be claiming	I mustn't have claimed
you mustn't have claimed
she mustn't have claimed
we mustn't have claimed
you mustn't have claimed
they mustn't have claimed	I mustn't have been claiming
you mustn't have been claiming
she mustn't have been claiming
we mustn't have been claiming
you mustn't have been claiming
they mustn't have been claiming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I claim?
must you claim?
must she claim?
must we claim?
must you claim?
must they claim? 	must I be claiming?
must you be claiming?
must she be claiming?
must we be claiming?
must you be claiming?
must they be claiming? 	must I have claimed?
must you have claimed?
must she have claimed?
must we have claimed?
must you have claimed?
must they have claimed? 	must I have been claiming?
must you have been claiming?
must she have been claiming?
must we have been claiming?
must you have been claiming?
must they have been claiming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I claim?
mustn't you claim?
mustn't she claim?
mustn't we claim?
mustn't you claim?
mustn't they claim? 	mustn't I be claiming?
mustn't you be claiming?
mustn't she be claiming?
mustn't we be claiming?
mustn't you be claiming?
mustn't they be claiming? 	mustn't I have claimed?
mustn't you have claimed?
mustn't she have claimed?
mustn't we have claimed?
mustn't you have claimed?
mustn't they have claimed? 	mustn't I have been claiming?
mustn't you have been claiming?
mustn't she have been claiming?
mustn't we have been claiming?
mustn't you have been claiming?
mustn't they have been claiming?