must wham
Regular verb: wham - whamed- whamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must wham
you must wham
he must wham
we must wham
you must wham
they must wham 	I must be whaming
you must be whaming
he must be whaming
we must be whaming
you must be whaming
they must be whaming	I must have whamed
you must have whamed
he must have whamed
we must have whamed
you must have whamed
they must have whamed	I must have been whaming
you must have been whaming
he must have been whaming
we must have been whaming
you must have been whaming
they must have been whaming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not wham
you must not wham
he must not wham
we must not wham
you must not wham
they must not wham 	I must not be whaming
you must not be whaming
he must not be whaming
we must not be whaming
you must not be whaming
they must not be whaming	I must not have whamed
you must not have whamed
he must not have whamed
we must not have whamed
you must not have whamed
they must not have whamed	I must not have been whaming
you must not have been whaming
he must not have been whaming
we must not have been whaming
you must not have been whaming
they must not have been whaming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I wham?
must you wham?
must he wham?
must we wham?
must you wham?
must they wham? 	must I be whaming?
must you be whaming?
must he be whaming?
must we be whaming?
must you be whaming?
must they be whaming? 	must I have whamed?
must you have whamed?
must he have whamed?
must we have whamed?
must you have whamed?
must they have whamed? 	must I have been whaming?
must you have been whaming?
must he have been whaming?
must we have been whaming?
must you have been whaming?
must they have been whaming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not wham?
must you not wham?
must he not wham?
must we not wham?
must you not wham?
must they not wham? 	must I not be whaming?
must you not be whaming?
must he not be whaming?
must we not be whaming?
must you not be whaming?
must they not be whaming? 	must I not have whamed?
must you not have whamed?
must he not have whamed?
must we not have whamed?
must you not have whamed?
must they not have whamed? 	must I not have been whaming?
must you not have been whaming?
must he not have been whaming?
must we not have been whaming?
must you not have been whaming?
must they not have been whaming?