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 must not expostulate
you must not expostulate
she must not expostulate
we must not expostulate
you must not expostulate
they must not expostulate 	I must not be expostulating
you must not be expostulating
she must not be expostulating
we must not be expostulating
you must not be expostulating
they must not be expostulating	I must not have expostulated
you must not have expostulated
she must not have expostulated
we must not have expostulated
you must not have expostulated
they must not have expostulated	I must not have been expostulating
you must not have been expostulating
she must not have been expostulating
we must not have been expostulating
you must not have been expostulating
they must not 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 	
must I not expostulate?
must you not expostulate?
must she not expostulate?
must we not expostulate?
must you not expostulate?
must they not expostulate? 	must I not be expostulating?
must you not be expostulating?
must she not be expostulating?
must we not be expostulating?
must you not be expostulating?
must they not be expostulating? 	must I not have expostulated?
must you not have expostulated?
must she not have expostulated?
must we not have expostulated?
must you not have expostulated?
must they not have expostulated? 	must I not have been expostulating?
must you not have been expostulating?
must she not have been expostulating?
must we not have been expostulating?
must you not have been expostulating?
must they not have been expostulating?