must expostulate
Regular verb: expostulate - expostulated- expostulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must expostulate
you must expostulate
she must expostulate
we must expostulate
you must expostulate
they must expostulate 	I must be expostulating
you must be expostulating
she must be expostulating
we must be expostulating
you must be expostulating
they must be expostulating	I must have expostulated
you must have expostulated
she must have expostulated
we must have expostulated
you must have expostulated
they must have expostulated	I must have been expostulating
you must have been expostulating
she must have been expostulating
we must have been expostulating
you must have been expostulating
they must have been expostulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't expostulate
you mustn't expostulate
she mustn't expostulate
we mustn't expostulate
you mustn't expostulate
they mustn't expostulate 	I mustn't be expostulating
you mustn't be expostulating
she mustn't be expostulating
we mustn't be expostulating
you mustn't be expostulating
they mustn't be expostulating	I mustn't have expostulated
you mustn't have expostulated
she mustn't have expostulated
we mustn't have expostulated
you mustn't have expostulated
they mustn't have expostulated	I mustn't have been expostulating
you mustn't have been expostulating
she mustn't have been expostulating
we mustn't have been expostulating
you mustn't have been expostulating
they mustn't have been expostulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I expostulate?
must you expostulate?
must she expostulate?
must we expostulate?
must you expostulate?
must they expostulate? 	must I be expostulating?
must you be expostulating?
must she be expostulating?
must we be expostulating?
must you be expostulating?
must they be expostulating? 	must I have expostulated?
must you have expostulated?
must she have expostulated?
must we have expostulated?
must you have expostulated?
must they have expostulated? 	must I have been expostulating?
must you have been expostulating?
must she have been expostulating?
must we have been expostulating?
must you have been expostulating?
must they have been expostulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I expostulate?
mustn't you expostulate?
mustn't she expostulate?
mustn't we expostulate?
mustn't you expostulate?
mustn't they expostulate? 	mustn't I be expostulating?
mustn't you be expostulating?
mustn't she be expostulating?
mustn't we be expostulating?
mustn't you be expostulating?
mustn't they be expostulating? 	mustn't I have expostulated?
mustn't you have expostulated?
mustn't she have expostulated?
mustn't we have expostulated?
mustn't you have expostulated?
mustn't they have expostulated? 	mustn't I have been expostulating?
mustn't you have been expostulating?
mustn't she have been expostulating?
mustn't we have been expostulating?
mustn't you have been expostulating?
mustn't they have been expostulating?