English verb conjugation
MUST THIN

Regular verb: thin - thinned - thinned

Affirmation

Simple form	V-ing form
I must thin you must thin he must thin we must thin you must thin they must thin	I must be thinning you must be thinning he must be thinning we must be thinning you must be thinning they must be thinning
Perfect	V-ing perfect
I must have thinned you must have thinned he must have thinned we must have thinned you must have thinned they must have thinned	I must have been thinning you must have been thinning he must have been thinning we must have been thinning you must have been thinning they must have been thinning

Negation

Simple form	V-ing form
I mustn't thin you mustn't thin he mustn't thin we mustn't thin you mustn't thin they mustn't thin	I mustn't be thinning you mustn't be thinning he mustn't be thinning we mustn't be thinning you mustn't be thinning they mustn't be thinning
Perfect	V-ing perfect
I mustn't have thinned you mustn't have thinned he mustn't have thinned we mustn't have thinned you mustn't have thinned they mustn't have thinned	I mustn't have been thinning you mustn't have been thinning he mustn't have been thinning we mustn't have been thinning you mustn't have been thinning they mustn't have been thinning

Interrogative form

Simple form	V-ing form
must I thin? must you thin? must he thin? must we thin? must you thin? must they thin?	must I be thinning? must you be thinning? must he be thinning? must we be thinning? must you be thinning? must they be thinning?
Perfect	V-ing perfect
must I have thinned? must you have thinned? must he have thinned? must we have thinned? must you have thinned? must they have thinned?	must I have been thinning? must you have been thinning? must he have been thinning? must we have been thinning? must you have been thinning? must they have been thinning?

Interro-negative form

Simple form	V-ing form
mustn't I thin? mustn't you thin? mustn't he thin? mustn't we thin? mustn't you thin? mustn't they thin?	mustn't I be thinning? mustn't you be thinning? mustn't he be thinning? mustn't we be thinning? mustn't you be thinning? mustn't they be thinning?
Perfect	V-ing perfect
mustn't I have thinned? mustn't you have thinned? mustn't he have thinned? mustn't we have thinned? mustn't you have thinned? mustn't they have thinned?	mustn't I have been thinning? mustn't you have been thinning? mustn't he have been thinning? mustn't we have been thinning? mustn't you have been thinning? mustn't they have been thinning?