English verb conjugation
MUST JIBE

Regular verb: jibe - jibed - jibed

Affirmation

Simple form	V-ing form
I must jibe you must jibe he must jibe we must jibe you must jibe they must jibe	I must be jibing you must be jibing he must be jibing we must be jibing you must be jibing they must be jibing
Perfect	V-ing perfect
I must have jibed you must have jibed he must have jibed we must have jibed you must have jibed they must have jibed	I must have been jibing you must have been jibing he must have been jibing we must have been jibing you must have been jibing they must have been jibing

Negation

Simple form	V-ing form
I mustn't jibe you mustn't jibe he mustn't jibe we mustn't jibe you mustn't jibe they mustn't jibe	I mustn't be jibing you mustn't be jibing he mustn't be jibing we mustn't be jibing you mustn't be jibing they mustn't be jibing
Perfect	V-ing perfect
I mustn't have jibed you mustn't have jibed he mustn't have jibed we mustn't have jibed you mustn't have jibed they mustn't have jibed	I mustn't have been jibing you mustn't have been jibing he mustn't have been jibing we mustn't have been jibing you mustn't have been jibing they mustn't have been jibing

Interrogative form

Simple form	V-ing form
must I jibe? must you jibe? must he jibe? must we jibe? must you jibe? must they jibe?	must I be jibing? must you be jibing? must he be jibing? must we be jibing? must you be jibing? must they be jibing?
Perfect	V-ing perfect
must I have jibed? must you have jibed? must he have jibed? must we have jibed? must you have jibed? must they have jibed?	must I have been jibing? must you have been jibing? must he have been jibing? must we have been jibing? must you have been jibing? must they have been jibing?

Interro-negative form

Simple form	V-ing form
mustn't I jibe? mustn't you jibe? mustn't he jibe? mustn't we jibe? mustn't you jibe? mustn't they jibe?	mustn't I be jibing? mustn't you be jibing? mustn't he be jibing? mustn't we be jibing? mustn't you be jibing? mustn't they be jibing?
Perfect	V-ing perfect
mustn't I have jibed? mustn't you have jibed? mustn't he have jibed? mustn't we have jibed? mustn't you have jibed? mustn't they have jibed?	mustn't I have been jibing? mustn't you have been jibing? mustn't he have been jibing? mustn't we have been jibing? mustn't you have been jibing? mustn't they have been jibing?