must chip
Verbo regular: chip - chipped- chipped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must chip
you must chip
he must chip
we must chip
you must chip
they must chip 	I must be chipping
you must be chipping
he must be chipping
we must be chipping
you must be chipping
they must be chipping	I must have chipped
you must have chipped
he must have chipped
we must have chipped
you must have chipped
they must have chipped	I must have been chipping
you must have been chipping
he must have been chipping
we must have been chipping
you must have been chipping
they must have been chipping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not chip
you must not chip
he must not chip
we must not chip
you must not chip
they must not chip 	I must not be chipping
you must not be chipping
he must not be chipping
we must not be chipping
you must not be chipping
they must not be chipping	I must not have chipped
you must not have chipped
he must not have chipped
we must not have chipped
you must not have chipped
they must not have chipped	I must not have been chipping
you must not have been chipping
he must not have been chipping
we must not have been chipping
you must not have been chipping
they must not have been chipping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I chip?
must you chip?
must he chip?
must we chip?
must you chip?
must they chip? 	must I be chipping?
must you be chipping?
must he be chipping?
must we be chipping?
must you be chipping?
must they be chipping? 	must I have chipped?
must you have chipped?
must he have chipped?
must we have chipped?
must you have chipped?
must they have chipped? 	must I have been chipping?
must you have been chipping?
must he have been chipping?
must we have been chipping?
must you have been chipping?
must they have been chipping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not chip?
must you not chip?
must he not chip?
must we not chip?
must you not chip?
must they not chip? 	must I not be chipping?
must you not be chipping?
must he not be chipping?
must we not be chipping?
must you not be chipping?
must they not be chipping? 	must I not have chipped?
must you not have chipped?
must he not have chipped?
must we not have chipped?
must you not have chipped?
must they not have chipped? 	must I not have been chipping?
must you not have been chipping?
must he not have been chipping?
must we not have been chipping?
must you not have been chipping?
must they not have been chipping?