may oil
Regular verb: oil - oiled- oiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may oil
you may oil
he may oil
we may oil
you may oil
they may oil 	I may be oiling
you may be oiling
he may be oiling
we may be oiling
you may be oiling
they may be oiling	I may have oiled
you may have oiled
he may have oiled
we may have oiled
you may have oiled
they may have oiled	I may have been oiling
you may have been oiling
he may have been oiling
we may have been oiling
you may have been oiling
they may have been oiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not oil
you may not oil
he may not oil
we may not oil
you may not oil
they may not oil 	I may not be oiling
you may not be oiling
he may not be oiling
we may not be oiling
you may not be oiling
they may not be oiling	I may not have oiled
you may not have oiled
he may not have oiled
we may not have oiled
you may not have oiled
they may not have oiled	I may not have been oiling
you may not have been oiling
he may not have been oiling
we may not have been oiling
you may not have been oiling
they may not have been oiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I oil?
may you oil?
may he oil?
may we oil?
may you oil?
may they oil? 	may I be oiling?
may you be oiling?
may he be oiling?
may we be oiling?
may you be oiling?
may they be oiling? 	may I have oiled?
may you have oiled?
may he have oiled?
may we have oiled?
may you have oiled?
may they have oiled? 	may I have been oiling?
may you have been oiling?
may he have been oiling?
may we have been oiling?
may you have been oiling?
may they have been oiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not oil?
may you not oil?
may he not oil?
may we not oil?
may you not oil?
may they not oil? 	may I not be oiling?
may you not be oiling?
may he not be oiling?
may we not be oiling?
may you not be oiling?
may they not be oiling? 	may I not have oiled?
may you not have oiled?
may he not have oiled?
may we not have oiled?
may you not have oiled?
may they not have oiled? 	may I not have been oiling?
may you not have been oiling?
may he not have been oiling?
may we not have been oiling?
may you not have been oiling?
may they not have been oiling?