English verb conjugation
MUST CHOP

Regular verb: chop - chopped - chopped

Affirmation

Simple form	V-ing form
I must chop you must chop he must chop we must chop you must chop they must chop	I must be chopping you must be chopping he must be chopping we must be chopping you must be chopping they must be chopping
Perfect	V-ing perfect
I must have chopped you must have chopped he must have chopped we must have chopped you must have chopped they must have chopped	I must have been chopping you must have been chopping he must have been chopping we must have been chopping you must have been chopping they must have been chopping

Negation

Simple form	V-ing form
I must not chop you must not chop he must not chop we must not chop you must not chop they must not chop	I must not be chopping you must not be chopping he must not be chopping we must not be chopping you must not be chopping they must not be chopping
Perfect	V-ing perfect
I must not have chopped you must not have chopped he must not have chopped we must not have chopped you must not have chopped they must not have chopped	I must not have been chopping you must not have been chopping he must not have been chopping we must not have been chopping you must not have been chopping they must not have been chopping

Interrogative form

Simple form	V-ing form
must I chop? must you chop? must he chop? must we chop? must you chop? must they chop?	must I be chopping? must you be chopping? must he be chopping? must we be chopping? must you be chopping? must they be chopping?
Perfect	V-ing perfect
must I have chopped? must you have chopped? must he have chopped? must we have chopped? must you have chopped? must they have chopped?	must I have been chopping? must you have been chopping? must he have been chopping? must we have been chopping? must you have been chopping? must they have been chopping?

Interro-negative form

Simple form	V-ing form
must I not chop? must you not chop? must he not chop? must we not chop? must you not chop? must they not chop?	must I not be chopping? must you not be chopping? must he not be chopping? must we not be chopping? must you not be chopping? must they not be chopping?
Perfect	V-ing perfect
must I not have chopped? must you not have chopped? must he not have chopped? must we not have chopped? must you not have chopped? must they not have chopped?	must I not have been chopping? must you not have been chopping? must he not have been chopping? must we not have been chopping? must you not have been chopping? must they not have been chopping?