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 mustn't chop you mustn't chop he mustn't chop we mustn't chop you mustn't chop they mustn't chop	I mustn't be chopping you mustn't be chopping he mustn't be chopping we mustn't be chopping you mustn't be chopping they mustn't be chopping
Perfect	V-ing perfect
I mustn't have chopped you mustn't have chopped he mustn't have chopped we mustn't have chopped you mustn't have chopped they mustn't have chopped	I mustn't have been chopping you mustn't have been chopping he mustn't have been chopping we mustn't have been chopping you mustn't have been chopping they mustn't 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
mustn't I chop? mustn't you chop? mustn't he chop? mustn't we chop? mustn't you chop? mustn't they chop?	mustn't I be chopping? mustn't you be chopping? mustn't he be chopping? mustn't we be chopping? mustn't you be chopping? mustn't they be chopping?
Perfect	V-ing perfect
mustn't I have chopped? mustn't you have chopped? mustn't he have chopped? mustn't we have chopped? mustn't you have chopped? mustn't they have chopped?	mustn't I have been chopping? mustn't you have been chopping? mustn't he have been chopping? mustn't we have been chopping? mustn't you have been chopping? mustn't they have been chopping?