must mul
Regular verb: mul - muled- muled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must mul
you must mul
she must mul
we must mul
you must mul
they must mul 	I must be muling
you must be muling
she must be muling
we must be muling
you must be muling
they must be muling	I must have muled
you must have muled
she must have muled
we must have muled
you must have muled
they must have muled	I must have been muling
you must have been muling
she must have been muling
we must have been muling
you must have been muling
they must have been muling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not mul
you must not mul
she must not mul
we must not mul
you must not mul
they must not mul 	I must not be muling
you must not be muling
she must not be muling
we must not be muling
you must not be muling
they must not be muling	I must not have muled
you must not have muled
she must not have muled
we must not have muled
you must not have muled
they must not have muled	I must not have been muling
you must not have been muling
she must not have been muling
we must not have been muling
you must not have been muling
they must not have been muling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I mul?
must you mul?
must she mul?
must we mul?
must you mul?
must they mul? 	must I be muling?
must you be muling?
must she be muling?
must we be muling?
must you be muling?
must they be muling? 	must I have muled?
must you have muled?
must she have muled?
must we have muled?
must you have muled?
must they have muled? 	must I have been muling?
must you have been muling?
must she have been muling?
must we have been muling?
must you have been muling?
must they have been muling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not mul?
must you not mul?
must she not mul?
must we not mul?
must you not mul?
must they not mul? 	must I not be muling?
must you not be muling?
must she not be muling?
must we not be muling?
must you not be muling?
must they not be muling? 	must I not have muled?
must you not have muled?
must she not have muled?
must we not have muled?
must you not have muled?
must they not have muled? 	must I not have been muling?
must you not have been muling?
must she not have been muling?
must we not have been muling?
must you not have been muling?
must they not have been muling?