must chop
Verbo regular: chop - chopped- chopped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must chop
you must chop
she must chop
we must chop
you must chop
they must chop 	I must be chopping
you must be chopping
she must be chopping
we must be chopping
you must be chopping
they must be chopping	I must have chopped
you must have chopped
she 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
she must have been chopping
we must have been chopping
you must have been chopping
they must have been chopping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not chop
you must not chop
she 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
she must not be chopping
we must not be chopping
you must not be chopping
they must not be chopping	I must not have chopped
you must not have chopped
she 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
she must not have been chopping
we must not have been chopping
you must not have been chopping
they must not have been chopping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I chop?
must you chop?
must she chop?
must we chop?
must you chop?
must they chop? 	must I be chopping?
must you be chopping?
must she be chopping?
must we be chopping?
must you be chopping?
must they be chopping? 	must I have chopped?
must you have chopped?
must she 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 she have been chopping?
must we have been chopping?
must you have been chopping?
must they have been chopping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not chop?
must you not chop?
must she 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 she not be chopping?
must we not be chopping?
must you not be chopping?
must they not be chopping? 	must I not have chopped?
must you not have chopped?
must she 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 she not have been chopping?
must we not have been chopping?
must you not have been chopping?
must they not have been chopping?