must disjoin
Regular verb: disjoin - disjoined- disjoined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must disjoin
you must disjoin
she must disjoin
we must disjoin
you must disjoin
they must disjoin 	I must be disjoining
you must be disjoining
she must be disjoining
we must be disjoining
you must be disjoining
they must be disjoining	I must have disjoined
you must have disjoined
she must have disjoined
we must have disjoined
you must have disjoined
they must have disjoined	I must have been disjoining
you must have been disjoining
she must have been disjoining
we must have been disjoining
you must have been disjoining
they must have been disjoining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't disjoin
you mustn't disjoin
she mustn't disjoin
we mustn't disjoin
you mustn't disjoin
they mustn't disjoin 	I mustn't be disjoining
you mustn't be disjoining
she mustn't be disjoining
we mustn't be disjoining
you mustn't be disjoining
they mustn't be disjoining	I mustn't have disjoined
you mustn't have disjoined
she mustn't have disjoined
we mustn't have disjoined
you mustn't have disjoined
they mustn't have disjoined	I mustn't have been disjoining
you mustn't have been disjoining
she mustn't have been disjoining
we mustn't have been disjoining
you mustn't have been disjoining
they mustn't have been disjoining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I disjoin?
must you disjoin?
must she disjoin?
must we disjoin?
must you disjoin?
must they disjoin? 	must I be disjoining?
must you be disjoining?
must she be disjoining?
must we be disjoining?
must you be disjoining?
must they be disjoining? 	must I have disjoined?
must you have disjoined?
must she have disjoined?
must we have disjoined?
must you have disjoined?
must they have disjoined? 	must I have been disjoining?
must you have been disjoining?
must she have been disjoining?
must we have been disjoining?
must you have been disjoining?
must they have been disjoining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I disjoin?
mustn't you disjoin?
mustn't she disjoin?
mustn't we disjoin?
mustn't you disjoin?
mustn't they disjoin? 	mustn't I be disjoining?
mustn't you be disjoining?
mustn't she be disjoining?
mustn't we be disjoining?
mustn't you be disjoining?
mustn't they be disjoining? 	mustn't I have disjoined?
mustn't you have disjoined?
mustn't she have disjoined?
mustn't we have disjoined?
mustn't you have disjoined?
mustn't they have disjoined? 	mustn't I have been disjoining?
mustn't you have been disjoining?
mustn't she have been disjoining?
mustn't we have been disjoining?
mustn't you have been disjoining?
mustn't they have been disjoining?