English verb conjugation
MUST CLINCH

Regular verb: clinch - clinched - clinched

Affirmation

Simple form	V-ing form
I must clinch you must clinch he must clinch we must clinch you must clinch they must clinch	I must be clinching you must be clinching he must be clinching we must be clinching you must be clinching they must be clinching
Perfect	V-ing perfect
I must have clinched you must have clinched he must have clinched we must have clinched you must have clinched they must have clinched	I must have been clinching you must have been clinching he must have been clinching we must have been clinching you must have been clinching they must have been clinching

Negation

Simple form	V-ing form
I mustn't clinch you mustn't clinch he mustn't clinch we mustn't clinch you mustn't clinch they mustn't clinch	I mustn't be clinching you mustn't be clinching he mustn't be clinching we mustn't be clinching you mustn't be clinching they mustn't be clinching
Perfect	V-ing perfect
I mustn't have clinched you mustn't have clinched he mustn't have clinched we mustn't have clinched you mustn't have clinched they mustn't have clinched	I mustn't have been clinching you mustn't have been clinching he mustn't have been clinching we mustn't have been clinching you mustn't have been clinching they mustn't have been clinching

Interrogative form

Simple form	V-ing form
must I clinch? must you clinch? must he clinch? must we clinch? must you clinch? must they clinch?	must I be clinching? must you be clinching? must he be clinching? must we be clinching? must you be clinching? must they be clinching?
Perfect	V-ing perfect
must I have clinched? must you have clinched? must he have clinched? must we have clinched? must you have clinched? must they have clinched?	must I have been clinching? must you have been clinching? must he have been clinching? must we have been clinching? must you have been clinching? must they have been clinching?

Interro-negative form

Simple form	V-ing form
mustn't I clinch? mustn't you clinch? mustn't he clinch? mustn't we clinch? mustn't you clinch? mustn't they clinch?	mustn't I be clinching? mustn't you be clinching? mustn't he be clinching? mustn't we be clinching? mustn't you be clinching? mustn't they be clinching?
Perfect	V-ing perfect
mustn't I have clinched? mustn't you have clinched? mustn't he have clinched? mustn't we have clinched? mustn't you have clinched? mustn't they have clinched?	mustn't I have been clinching? mustn't you have been clinching? mustn't he have been clinching? mustn't we have been clinching? mustn't you have been clinching? mustn't they have been clinching?