must mow
Verbo irregular: mow - mowed- mown

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must mow
you must mow
he must mow
we must mow
you must mow
they must mow 	I must be mowing
you must be mowing
he must be mowing
we must be mowing
you must be mowing
they must be mowing	I must have mown
you must have mown
he must have mown
we must have mown
you must have mown
they must have mown	I must have been mowing
you must have been mowing
he must have been mowing
we must have been mowing
you must have been mowing
they must have been mowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not mow
you must not mow
he must not mow
we must not mow
you must not mow
they must not mow 	I must not be mowing
you must not be mowing
he must not be mowing
we must not be mowing
you must not be mowing
they must not be mowing	I must not have mown
you must not have mown
he must not have mown
we must not have mown
you must not have mown
they must not have mown	I must not have been mowing
you must not have been mowing
he must not have been mowing
we must not have been mowing
you must not have been mowing
they must not have been mowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I mow?
must you mow?
must he mow?
must we mow?
must you mow?
must they mow? 	must I be mowing?
must you be mowing?
must he be mowing?
must we be mowing?
must you be mowing?
must they be mowing? 	must I have mown?
must you have mown?
must he have mown?
must we have mown?
must you have mown?
must they have mown? 	must I have been mowing?
must you have been mowing?
must he have been mowing?
must we have been mowing?
must you have been mowing?
must they have been mowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not mow?
must you not mow?
must he not mow?
must we not mow?
must you not mow?
must they not mow? 	must I not be mowing?
must you not be mowing?
must he not be mowing?
must we not be mowing?
must you not be mowing?
must they not be mowing? 	must I not have mown?
must you not have mown?
must he not have mown?
must we not have mown?
must you not have mown?
must they not have mown? 	must I not have been mowing?
must you not have been mowing?
must he not have been mowing?
must we not have been mowing?
must you not have been mowing?
must they not have been mowing?