English verb conjugation
MAY CURVE

Regular verb: curve - curved - curved

Affirmation

Simple form	V-ing form
I may curve you may curve he may curve we may curve you may curve they may curve	I may be curving you may be curving he may be curving we may be curving you may be curving they may be curving
Perfect	V-ing perfect
I may have curved you may have curved he may have curved we may have curved you may have curved they may have curved	I may have been curving you may have been curving he may have been curving we may have been curving you may have been curving they may have been curving

Negation

Simple form	V-ing form
I may not curve you may not curve he may not curve we may not curve you may not curve they may not curve	I may not be curving you may not be curving he may not be curving we may not be curving you may not be curving they may not be curving
Perfect	V-ing perfect
I may not have curved you may not have curved he may not have curved we may not have curved you may not have curved they may not have curved	I may not have been curving you may not have been curving he may not have been curving we may not have been curving you may not have been curving they may not have been curving

Interrogative form

Simple form	V-ing form
may I curve? may you curve? may he curve? may we curve? may you curve? may they curve?	may I be curving? may you be curving? may he be curving? may we be curving? may you be curving? may they be curving?
Perfect	V-ing perfect
may I have curved? may you have curved? may he have curved? may we have curved? may you have curved? may they have curved?	may I have been curving? may you have been curving? may he have been curving? may we have been curving? may you have been curving? may they have been curving?

Interro-negative form

Simple form	V-ing form
may I not curve? may you not curve? may he not curve? may we not curve? may you not curve? may they not curve?	may I not be curving? may you not be curving? may he not be curving? may we not be curving? may you not be curving? may they not be curving?
Perfect	V-ing perfect
may I not have curved? may you not have curved? may he not have curved? may we not have curved? may you not have curved? may they not have curved?	may I not have been curving? may you not have been curving? may he not have been curving? may we not have been curving? may you not have been curving? may they not have been curving?