must espouse
Regular verb: espouse - espoused- espoused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must espouse
you must espouse
she must espouse
we must espouse
you must espouse
they must espouse 	I must be espousing
you must be espousing
she must be espousing
we must be espousing
you must be espousing
they must be espousing	I must have espoused
you must have espoused
she must have espoused
we must have espoused
you must have espoused
they must have espoused	I must have been espousing
you must have been espousing
she must have been espousing
we must have been espousing
you must have been espousing
they must have been espousing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not espouse
you must not espouse
she must not espouse
we must not espouse
you must not espouse
they must not espouse 	I must not be espousing
you must not be espousing
she must not be espousing
we must not be espousing
you must not be espousing
they must not be espousing	I must not have espoused
you must not have espoused
she must not have espoused
we must not have espoused
you must not have espoused
they must not have espoused	I must not have been espousing
you must not have been espousing
she must not have been espousing
we must not have been espousing
you must not have been espousing
they must not have been espousing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I espouse?
must you espouse?
must she espouse?
must we espouse?
must you espouse?
must they espouse? 	must I be espousing?
must you be espousing?
must she be espousing?
must we be espousing?
must you be espousing?
must they be espousing? 	must I have espoused?
must you have espoused?
must she have espoused?
must we have espoused?
must you have espoused?
must they have espoused? 	must I have been espousing?
must you have been espousing?
must she have been espousing?
must we have been espousing?
must you have been espousing?
must they have been espousing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not espouse?
must you not espouse?
must she not espouse?
must we not espouse?
must you not espouse?
must they not espouse? 	must I not be espousing?
must you not be espousing?
must she not be espousing?
must we not be espousing?
must you not be espousing?
must they not be espousing? 	must I not have espoused?
must you not have espoused?
must she not have espoused?
must we not have espoused?
must you not have espoused?
must they not have espoused? 	must I not have been espousing?
must you not have been espousing?
must she not have been espousing?
must we not have been espousing?
must you not have been espousing?
must they not have been espousing?