English verb conjugation
MUST STRIDULATE

Regular verb: stridulate - stridulated - stridulated

Affirmation

Simple form	V-ing form
I must stridulate you must stridulate she must stridulate we must stridulate you must stridulate they must stridulate	I must be stridulating you must be stridulating she must be stridulating we must be stridulating you must be stridulating they must be stridulating
Perfect	V-ing perfect
I must have stridulated you must have stridulated she must have stridulated we must have stridulated you must have stridulated they must have stridulated	I must have been stridulating you must have been stridulating she must have been stridulating we must have been stridulating you must have been stridulating they must have been stridulating

Negation

Simple form	V-ing form
I mustn't stridulate you mustn't stridulate she mustn't stridulate we mustn't stridulate you mustn't stridulate they mustn't stridulate	I mustn't be stridulating you mustn't be stridulating she mustn't be stridulating we mustn't be stridulating you mustn't be stridulating they mustn't be stridulating
Perfect	V-ing perfect
I mustn't have stridulated you mustn't have stridulated she mustn't have stridulated we mustn't have stridulated you mustn't have stridulated they mustn't have stridulated	I mustn't have been stridulating you mustn't have been stridulating she mustn't have been stridulating we mustn't have been stridulating you mustn't have been stridulating they mustn't have been stridulating

Interrogative form

Simple form	V-ing form
must I stridulate? must you stridulate? must she stridulate? must we stridulate? must you stridulate? must they stridulate?	must I be stridulating? must you be stridulating? must she be stridulating? must we be stridulating? must you be stridulating? must they be stridulating?
Perfect	V-ing perfect
must I have stridulated? must you have stridulated? must she have stridulated? must we have stridulated? must you have stridulated? must they have stridulated?	must I have been stridulating? must you have been stridulating? must she have been stridulating? must we have been stridulating? must you have been stridulating? must they have been stridulating?

Interro-negative form

Simple form	V-ing form
mustn't I stridulate? mustn't you stridulate? mustn't she stridulate? mustn't we stridulate? mustn't you stridulate? mustn't they stridulate?	mustn't I be stridulating? mustn't you be stridulating? mustn't she be stridulating? mustn't we be stridulating? mustn't you be stridulating? mustn't they be stridulating?
Perfect	V-ing perfect
mustn't I have stridulated? mustn't you have stridulated? mustn't she have stridulated? mustn't we have stridulated? mustn't you have stridulated? mustn't they have stridulated?	mustn't I have been stridulating? mustn't you have been stridulating? mustn't she have been stridulating? mustn't we have been stridulating? mustn't you have been stridulating? mustn't they have been stridulating?