English verb conjugation
MUST TENIR

Regular verb: tenir - tenired - tenired

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must tenir you must tenir she must tenir we must tenir you must tenir they must tenir	I must be teniring you must be teniring she must be teniring we must be teniring you must be teniring they must be teniring
Perfect	V-ing perfect
I must have tenired you must have tenired she must have tenired we must have tenired you must have tenired they must have tenired	I must have been teniring you must have been teniring she must have been teniring we must have been teniring you must have been teniring they must have been teniring

Negation

Simple form	V-ing form
I mustn't tenir you mustn't tenir she mustn't tenir we mustn't tenir you mustn't tenir they mustn't tenir	I mustn't be teniring you mustn't be teniring she mustn't be teniring we mustn't be teniring you mustn't be teniring they mustn't be teniring
Perfect	V-ing perfect
I mustn't have tenired you mustn't have tenired she mustn't have tenired we mustn't have tenired you mustn't have tenired they mustn't have tenired	I mustn't have been teniring you mustn't have been teniring she mustn't have been teniring we mustn't have been teniring you mustn't have been teniring they mustn't have been teniring

Interrogative form

Simple form	V-ing form
must I tenir? must you tenir? must she tenir? must we tenir? must you tenir? must they tenir?	must I be teniring? must you be teniring? must she be teniring? must we be teniring? must you be teniring? must they be teniring?
Perfect	V-ing perfect
must I have tenired? must you have tenired? must she have tenired? must we have tenired? must you have tenired? must they have tenired?	must I have been teniring? must you have been teniring? must she have been teniring? must we have been teniring? must you have been teniring? must they have been teniring?

Interro-negative form

Simple form	V-ing form
mustn't I tenir? mustn't you tenir? mustn't she tenir? mustn't we tenir? mustn't you tenir? mustn't they tenir?	mustn't I be teniring? mustn't you be teniring? mustn't she be teniring? mustn't we be teniring? mustn't you be teniring? mustn't they be teniring?
Perfect	V-ing perfect
mustn't I have tenired? mustn't you have tenired? mustn't she have tenired? mustn't we have tenired? mustn't you have tenired? mustn't they have tenired?	mustn't I have been teniring? mustn't you have been teniring? mustn't she have been teniring? mustn't we have been teniring? mustn't you have been teniring? mustn't they have been teniring?