English verb conjugation
MAY LEAVEN

Regular verb: leaven - leavened - leavened

Affirmation

Simple form	V-ing form
I may leaven you may leaven he may leaven we may leaven you may leaven they may leaven	I may be leavening you may be leavening he may be leavening we may be leavening you may be leavening they may be leavening
Perfect	V-ing perfect
I may have leavened you may have leavened he may have leavened we may have leavened you may have leavened they may have leavened	I may have been leavening you may have been leavening he may have been leavening we may have been leavening you may have been leavening they may have been leavening

Negation

Simple form	V-ing form
I may not leaven you may not leaven he may not leaven we may not leaven you may not leaven they may not leaven	I may not be leavening you may not be leavening he may not be leavening we may not be leavening you may not be leavening they may not be leavening
Perfect	V-ing perfect
I may not have leavened you may not have leavened he may not have leavened we may not have leavened you may not have leavened they may not have leavened	I may not have been leavening you may not have been leavening he may not have been leavening we may not have been leavening you may not have been leavening they may not have been leavening

Interrogative form

Simple form	V-ing form
may I leaven? may you leaven? may he leaven? may we leaven? may you leaven? may they leaven?	may I be leavening? may you be leavening? may he be leavening? may we be leavening? may you be leavening? may they be leavening?
Perfect	V-ing perfect
may I have leavened? may you have leavened? may he have leavened? may we have leavened? may you have leavened? may they have leavened?	may I have been leavening? may you have been leavening? may he have been leavening? may we have been leavening? may you have been leavening? may they have been leavening?

Interro-negative form

Simple form	V-ing form
may I not leaven? may you not leaven? may he not leaven? may we not leaven? may you not leaven? may they not leaven?	may I not be leavening? may you not be leavening? may he not be leavening? may we not be leavening? may you not be leavening? may they not be leavening?
Perfect	V-ing perfect
may I not have leavened? may you not have leavened? may he not have leavened? may we not have leavened? may you not have leavened? may they not have leavened?	may I not have been leavening? may you not have been leavening? may he not have been leavening? may we not have been leavening? may you not have been leavening? may they not have been leavening?