must oil
Verbo regular: oil - oiled- oiled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must oil
you must oil
he must oil
we must oil
you must oil
they must oil 	I must be oiling
you must be oiling
he must be oiling
we must be oiling
you must be oiling
they must be oiling	I must have oiled
you must have oiled
he must have oiled
we must have oiled
you must have oiled
they must have oiled	I must have been oiling
you must have been oiling
he must have been oiling
we must have been oiling
you must have been oiling
they must have been oiling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not oil
you must not oil
he must not oil
we must not oil
you must not oil
they must not oil 	I must not be oiling
you must not be oiling
he must not be oiling
we must not be oiling
you must not be oiling
they must not be oiling	I must not have oiled
you must not have oiled
he must not have oiled
we must not have oiled
you must not have oiled
they must not have oiled	I must not have been oiling
you must not have been oiling
he must not have been oiling
we must not have been oiling
you must not have been oiling
they must not have been oiling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I oil?
must you oil?
must he oil?
must we oil?
must you oil?
must they oil? 	must I be oiling?
must you be oiling?
must he be oiling?
must we be oiling?
must you be oiling?
must they be oiling? 	must I have oiled?
must you have oiled?
must he have oiled?
must we have oiled?
must you have oiled?
must they have oiled? 	must I have been oiling?
must you have been oiling?
must he have been oiling?
must we have been oiling?
must you have been oiling?
must they have been oiling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not oil?
must you not oil?
must he not oil?
must we not oil?
must you not oil?
must they not oil? 	must I not be oiling?
must you not be oiling?
must he not be oiling?
must we not be oiling?
must you not be oiling?
must they not be oiling? 	must I not have oiled?
must you not have oiled?
must he not have oiled?
must we not have oiled?
must you not have oiled?
must they not have oiled? 	must I not have been oiling?
must you not have been oiling?
must he not have been oiling?
must we not have been oiling?
must you not have been oiling?
must they not have been oiling?