must demise
Regular verb: demise - demised- demised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must demise
you must demise
he must demise
we must demise
you must demise
they must demise 	I must be demising
you must be demising
he must be demising
we must be demising
you must be demising
they must be demising	I must have demised
you must have demised
he must have demised
we must have demised
you must have demised
they must have demised	I must have been demising
you must have been demising
he must have been demising
we must have been demising
you must have been demising
they must have been demising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not demise
you must not demise
he must not demise
we must not demise
you must not demise
they must not demise 	I must not be demising
you must not be demising
he must not be demising
we must not be demising
you must not be demising
they must not be demising	I must not have demised
you must not have demised
he must not have demised
we must not have demised
you must not have demised
they must not have demised	I must not have been demising
you must not have been demising
he must not have been demising
we must not have been demising
you must not have been demising
they must not have been demising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I demise?
must you demise?
must he demise?
must we demise?
must you demise?
must they demise? 	must I be demising?
must you be demising?
must he be demising?
must we be demising?
must you be demising?
must they be demising? 	must I have demised?
must you have demised?
must he have demised?
must we have demised?
must you have demised?
must they have demised? 	must I have been demising?
must you have been demising?
must he have been demising?
must we have been demising?
must you have been demising?
must they have been demising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not demise?
must you not demise?
must he not demise?
must we not demise?
must you not demise?
must they not demise? 	must I not be demising?
must you not be demising?
must he not be demising?
must we not be demising?
must you not be demising?
must they not be demising? 	must I not have demised?
must you not have demised?
must he not have demised?
must we not have demised?
must you not have demised?
must they not have demised? 	must I not have been demising?
must you not have been demising?
must he not have been demising?
must we not have been demising?
must you not have been demising?
must they not have been demising?