English verb conjugation
MUST EXPOSTULATE

Regular verb: expostulate - expostulated - expostulated

Affirmation

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