may drill
Regular verb: drill - drilled- drilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may drill
you may drill
she may drill
we may drill
you may drill
they may drill 	I may be drilling
you may be drilling
she may be drilling
we may be drilling
you may be drilling
they may be drilling	I may have drilled
you may have drilled
she may have drilled
we may have drilled
you may have drilled
they may have drilled	I may have been drilling
you may have been drilling
she may have been drilling
we may have been drilling
you may have been drilling
they may have been drilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not drill
you may not drill
she may not drill
we may not drill
you may not drill
they may not drill 	I may not be drilling
you may not be drilling
she may not be drilling
we may not be drilling
you may not be drilling
they may not be drilling	I may not have drilled
you may not have drilled
she may not have drilled
we may not have drilled
you may not have drilled
they may not have drilled	I may not have been drilling
you may not have been drilling
she may not have been drilling
we may not have been drilling
you may not have been drilling
they may not have been drilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I drill?
may you drill?
may she drill?
may we drill?
may you drill?
may they drill? 	may I be drilling?
may you be drilling?
may she be drilling?
may we be drilling?
may you be drilling?
may they be drilling? 	may I have drilled?
may you have drilled?
may she have drilled?
may we have drilled?
may you have drilled?
may they have drilled? 	may I have been drilling?
may you have been drilling?
may she have been drilling?
may we have been drilling?
may you have been drilling?
may they have been drilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not drill?
may you not drill?
may she not drill?
may we not drill?
may you not drill?
may they not drill? 	may I not be drilling?
may you not be drilling?
may she not be drilling?
may we not be drilling?
may you not be drilling?
may they not be drilling? 	may I not have drilled?
may you not have drilled?
may she not have drilled?
may we not have drilled?
may you not have drilled?
may they not have drilled? 	may I not have been drilling?
may you not have been drilling?
may she not have been drilling?
may we not have been drilling?
may you not have been drilling?
may they not have been drilling?