English verb conjugation
MUST TENON

Regular verb: tenon - tenoned - tenoned

Affirmation

Simple form	V-ing form
I must tenon you must tenon she must tenon we must tenon you must tenon they must tenon	I must be tenoning you must be tenoning she must be tenoning we must be tenoning you must be tenoning they must be tenoning
Perfect	V-ing perfect
I must have tenoned you must have tenoned she must have tenoned we must have tenoned you must have tenoned they must have tenoned	I must have been tenoning you must have been tenoning she must have been tenoning we must have been tenoning you must have been tenoning they must have been tenoning

Negation

Simple form	V-ing form
I mustn't tenon you mustn't tenon she mustn't tenon we mustn't tenon you mustn't tenon they mustn't tenon	I mustn't be tenoning you mustn't be tenoning she mustn't be tenoning we mustn't be tenoning you mustn't be tenoning they mustn't be tenoning
Perfect	V-ing perfect
I mustn't have tenoned you mustn't have tenoned she mustn't have tenoned we mustn't have tenoned you mustn't have tenoned they mustn't have tenoned	I mustn't have been tenoning you mustn't have been tenoning she mustn't have been tenoning we mustn't have been tenoning you mustn't have been tenoning they mustn't have been tenoning

Interrogative form

Simple form	V-ing form
must I tenon? must you tenon? must she tenon? must we tenon? must you tenon? must they tenon?	must I be tenoning? must you be tenoning? must she be tenoning? must we be tenoning? must you be tenoning? must they be tenoning?
Perfect	V-ing perfect
must I have tenoned? must you have tenoned? must she have tenoned? must we have tenoned? must you have tenoned? must they have tenoned?	must I have been tenoning? must you have been tenoning? must she have been tenoning? must we have been tenoning? must you have been tenoning? must they have been tenoning?

Interro-negative form

Simple form	V-ing form
mustn't I tenon? mustn't you tenon? mustn't she tenon? mustn't we tenon? mustn't you tenon? mustn't they tenon?	mustn't I be tenoning? mustn't you be tenoning? mustn't she be tenoning? mustn't we be tenoning? mustn't you be tenoning? mustn't they be tenoning?
Perfect	V-ing perfect
mustn't I have tenoned? mustn't you have tenoned? mustn't she have tenoned? mustn't we have tenoned? mustn't you have tenoned? mustn't they have tenoned?	mustn't I have been tenoning? mustn't you have been tenoning? mustn't she have been tenoning? mustn't we have been tenoning? mustn't you have been tenoning? mustn't they have been tenoning?