English verb conjugation
MAY TUNNEL

Regular verb: tunnel - tunnelled - tunnelled

Affirmation

Simple form	V-ing form
I may tunnel you may tunnel she may tunnel we may tunnel you may tunnel they may tunnel	I may be tunnelling you may be tunnelling she may be tunnelling we may be tunnelling you may be tunnelling they may be tunnelling
Perfect	V-ing perfect
I may have tunnelled you may have tunnelled she may have tunnelled we may have tunnelled you may have tunnelled they may have tunnelled	I may have been tunnelling you may have been tunnelling she may have been tunnelling we may have been tunnelling you may have been tunnelling they may have been tunnelling

Negation

Simple form	V-ing form
I may not tunnel you may not tunnel she may not tunnel we may not tunnel you may not tunnel they may not tunnel	I may not be tunnelling you may not be tunnelling she may not be tunnelling we may not be tunnelling you may not be tunnelling they may not be tunnelling
Perfect	V-ing perfect
I may not have tunnelled you may not have tunnelled she may not have tunnelled we may not have tunnelled you may not have tunnelled they may not have tunnelled	I may not have been tunnelling you may not have been tunnelling she may not have been tunnelling we may not have been tunnelling you may not have been tunnelling they may not have been tunnelling

Interrogative form

Simple form	V-ing form
may I tunnel? may you tunnel? may she tunnel? may we tunnel? may you tunnel? may they tunnel?	may I be tunnelling? may you be tunnelling? may she be tunnelling? may we be tunnelling? may you be tunnelling? may they be tunnelling?
Perfect	V-ing perfect
may I have tunnelled? may you have tunnelled? may she have tunnelled? may we have tunnelled? may you have tunnelled? may they have tunnelled?	may I have been tunnelling? may you have been tunnelling? may she have been tunnelling? may we have been tunnelling? may you have been tunnelling? may they have been tunnelling?

Interro-negative form

Simple form	V-ing form
may I not tunnel? may you not tunnel? may she not tunnel? may we not tunnel? may you not tunnel? may they not tunnel?	may I not be tunnelling? may you not be tunnelling? may she not be tunnelling? may we not be tunnelling? may you not be tunnelling? may they not be tunnelling?
Perfect	V-ing perfect
may I not have tunnelled? may you not have tunnelled? may she not have tunnelled? may we not have tunnelled? may you not have tunnelled? may they not have tunnelled?	may I not have been tunnelling? may you not have been tunnelling? may she not have been tunnelling? may we not have been tunnelling? may you not have been tunnelling? may they not have been tunnelling?