may predrill
Regular verb: predrill - predrilled- predrilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may predrill
you may predrill
he may predrill
we may predrill
you may predrill
they may predrill 	I may be predrilling
you may be predrilling
he may be predrilling
we may be predrilling
you may be predrilling
they may be predrilling	I may have predrilled
you may have predrilled
he may have predrilled
we may have predrilled
you may have predrilled
they may have predrilled	I may have been predrilling
you may have been predrilling
he may have been predrilling
we may have been predrilling
you may have been predrilling
they may have been predrilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not predrill
you may not predrill
he may not predrill
we may not predrill
you may not predrill
they may not predrill 	I may not be predrilling
you may not be predrilling
he may not be predrilling
we may not be predrilling
you may not be predrilling
they may not be predrilling	I may not have predrilled
you may not have predrilled
he may not have predrilled
we may not have predrilled
you may not have predrilled
they may not have predrilled	I may not have been predrilling
you may not have been predrilling
he may not have been predrilling
we may not have been predrilling
you may not have been predrilling
they may not have been predrilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I predrill?
may you predrill?
may he predrill?
may we predrill?
may you predrill?
may they predrill? 	may I be predrilling?
may you be predrilling?
may he be predrilling?
may we be predrilling?
may you be predrilling?
may they be predrilling? 	may I have predrilled?
may you have predrilled?
may he have predrilled?
may we have predrilled?
may you have predrilled?
may they have predrilled? 	may I have been predrilling?
may you have been predrilling?
may he have been predrilling?
may we have been predrilling?
may you have been predrilling?
may they have been predrilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not predrill?
may you not predrill?
may he not predrill?
may we not predrill?
may you not predrill?
may they not predrill? 	may I not be predrilling?
may you not be predrilling?
may he not be predrilling?
may we not be predrilling?
may you not be predrilling?
may they not be predrilling? 	may I not have predrilled?
may you not have predrilled?
may he not have predrilled?
may we not have predrilled?
may you not have predrilled?
may they not have predrilled? 	may I not have been predrilling?
may you not have been predrilling?
may he not have been predrilling?
may we not have been predrilling?
may you not have been predrilling?
may they not have been predrilling?