must comprehend
Verbo regular: comprehend - comprehended- comprehended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must comprehend
you must comprehend
he must comprehend
we must comprehend
you must comprehend
they must comprehend 	I must be comprehending
you must be comprehending
he must be comprehending
we must be comprehending
you must be comprehending
they must be comprehending	I must have comprehended
you must have comprehended
he must have comprehended
we must have comprehended
you must have comprehended
they must have comprehended	I must have been comprehending
you must have been comprehending
he must have been comprehending
we must have been comprehending
you must have been comprehending
they must have been comprehending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not comprehend
you must not comprehend
he must not comprehend
we must not comprehend
you must not comprehend
they must not comprehend 	I must not be comprehending
you must not be comprehending
he must not be comprehending
we must not be comprehending
you must not be comprehending
they must not be comprehending	I must not have comprehended
you must not have comprehended
he must not have comprehended
we must not have comprehended
you must not have comprehended
they must not have comprehended	I must not have been comprehending
you must not have been comprehending
he must not have been comprehending
we must not have been comprehending
you must not have been comprehending
they must not have been comprehending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I comprehend?
must you comprehend?
must he comprehend?
must we comprehend?
must you comprehend?
must they comprehend? 	must I be comprehending?
must you be comprehending?
must he be comprehending?
must we be comprehending?
must you be comprehending?
must they be comprehending? 	must I have comprehended?
must you have comprehended?
must he have comprehended?
must we have comprehended?
must you have comprehended?
must they have comprehended? 	must I have been comprehending?
must you have been comprehending?
must he have been comprehending?
must we have been comprehending?
must you have been comprehending?
must they have been comprehending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not comprehend?
must you not comprehend?
must he not comprehend?
must we not comprehend?
must you not comprehend?
must they not comprehend? 	must I not be comprehending?
must you not be comprehending?
must he not be comprehending?
must we not be comprehending?
must you not be comprehending?
must they not be comprehending? 	must I not have comprehended?
must you not have comprehended?
must he not have comprehended?
must we not have comprehended?
must you not have comprehended?
must they not have comprehended? 	must I not have been comprehending?
must you not have been comprehending?
must he not have been comprehending?
must we not have been comprehending?
must you not have been comprehending?
must they not have been comprehending?