English verb conjugation
MAY CURTAIL

Regular verb: curtail - curtailed - curtailed

Affirmation

Simple form	V-ing form
I may curtail you may curtail he may curtail we may curtail you may curtail they may curtail	I may be curtailing you may be curtailing he may be curtailing we may be curtailing you may be curtailing they may be curtailing
Perfect	V-ing perfect
I may have curtailed you may have curtailed he may have curtailed we may have curtailed you may have curtailed they may have curtailed	I may have been curtailing you may have been curtailing he may have been curtailing we may have been curtailing you may have been curtailing they may have been curtailing

Negation

Simple form	V-ing form
I may not curtail you may not curtail he may not curtail we may not curtail you may not curtail they may not curtail	I may not be curtailing you may not be curtailing he may not be curtailing we may not be curtailing you may not be curtailing they may not be curtailing
Perfect	V-ing perfect
I may not have curtailed you may not have curtailed he may not have curtailed we may not have curtailed you may not have curtailed they may not have curtailed	I may not have been curtailing you may not have been curtailing he may not have been curtailing we may not have been curtailing you may not have been curtailing they may not have been curtailing

Interrogative form

Simple form	V-ing form
may I curtail? may you curtail? may he curtail? may we curtail? may you curtail? may they curtail?	may I be curtailing? may you be curtailing? may he be curtailing? may we be curtailing? may you be curtailing? may they be curtailing?
Perfect	V-ing perfect
may I have curtailed? may you have curtailed? may he have curtailed? may we have curtailed? may you have curtailed? may they have curtailed?	may I have been curtailing? may you have been curtailing? may he have been curtailing? may we have been curtailing? may you have been curtailing? may they have been curtailing?

Interro-negative form

Simple form	V-ing form
may I not curtail? may you not curtail? may he not curtail? may we not curtail? may you not curtail? may they not curtail?	may I not be curtailing? may you not be curtailing? may he not be curtailing? may we not be curtailing? may you not be curtailing? may they not be curtailing?
Perfect	V-ing perfect
may I not have curtailed? may you not have curtailed? may he not have curtailed? may we not have curtailed? may you not have curtailed? may they not have curtailed?	may I not have been curtailing? may you not have been curtailing? may he not have been curtailing? may we not have been curtailing? may you not have been curtailing? may they not have been curtailing?