must man
Regular verb: man - manned- manned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must man
you must man
he must man
we must man
you must man
they must man 	I must be manning
you must be manning
he must be manning
we must be manning
you must be manning
they must be manning	I must have manned
you must have manned
he must have manned
we must have manned
you must have manned
they must have manned	I must have been manning
you must have been manning
he must have been manning
we must have been manning
you must have been manning
they must have been manning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not man
you must not man
he must not man
we must not man
you must not man
they must not man 	I must not be manning
you must not be manning
he must not be manning
we must not be manning
you must not be manning
they must not be manning	I must not have manned
you must not have manned
he must not have manned
we must not have manned
you must not have manned
they must not have manned	I must not have been manning
you must not have been manning
he must not have been manning
we must not have been manning
you must not have been manning
they must not have been manning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I man?
must you man?
must he man?
must we man?
must you man?
must they man? 	must I be manning?
must you be manning?
must he be manning?
must we be manning?
must you be manning?
must they be manning? 	must I have manned?
must you have manned?
must he have manned?
must we have manned?
must you have manned?
must they have manned? 	must I have been manning?
must you have been manning?
must he have been manning?
must we have been manning?
must you have been manning?
must they have been manning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not man?
must you not man?
must he not man?
must we not man?
must you not man?
must they not man? 	must I not be manning?
must you not be manning?
must he not be manning?
must we not be manning?
must you not be manning?
must they not be manning? 	must I not have manned?
must you not have manned?
must he not have manned?
must we not have manned?
must you not have manned?
must they not have manned? 	must I not have been manning?
must you not have been manning?
must he not have been manning?
must we not have been manning?
must you not have been manning?
must they not have been manning?