English verb conjugation
MUST JOUST

Regular verb: joust - jousted - jousted

Affirmation

Simple form	V-ing form
I must joust you must joust he must joust we must joust you must joust they must joust	I must be jousting you must be jousting he must be jousting we must be jousting you must be jousting they must be jousting
Perfect	V-ing perfect
I must have jousted you must have jousted he must have jousted we must have jousted you must have jousted they must have jousted	I must have been jousting you must have been jousting he must have been jousting we must have been jousting you must have been jousting they must have been jousting

Negation

Simple form	V-ing form
I mustn't joust you mustn't joust he mustn't joust we mustn't joust you mustn't joust they mustn't joust	I mustn't be jousting you mustn't be jousting he mustn't be jousting we mustn't be jousting you mustn't be jousting they mustn't be jousting
Perfect	V-ing perfect
I mustn't have jousted you mustn't have jousted he mustn't have jousted we mustn't have jousted you mustn't have jousted they mustn't have jousted	I mustn't have been jousting you mustn't have been jousting he mustn't have been jousting we mustn't have been jousting you mustn't have been jousting they mustn't have been jousting

Interrogative form

Simple form	V-ing form
must I joust? must you joust? must he joust? must we joust? must you joust? must they joust?	must I be jousting? must you be jousting? must he be jousting? must we be jousting? must you be jousting? must they be jousting?
Perfect	V-ing perfect
must I have jousted? must you have jousted? must he have jousted? must we have jousted? must you have jousted? must they have jousted?	must I have been jousting? must you have been jousting? must he have been jousting? must we have been jousting? must you have been jousting? must they have been jousting?

Interro-negative form

Simple form	V-ing form
mustn't I joust? mustn't you joust? mustn't he joust? mustn't we joust? mustn't you joust? mustn't they joust?	mustn't I be jousting? mustn't you be jousting? mustn't he be jousting? mustn't we be jousting? mustn't you be jousting? mustn't they be jousting?
Perfect	V-ing perfect
mustn't I have jousted? mustn't you have jousted? mustn't he have jousted? mustn't we have jousted? mustn't you have jousted? mustn't they have jousted?	mustn't I have been jousting? mustn't you have been jousting? mustn't he have been jousting? mustn't we have been jousting? mustn't you have been jousting? mustn't they have been jousting?