English verb conjugation
MAY STRAIGHTEN

Regular verb: straighten - straightened - straightened

Affirmation

Simple form	V-ing form
I may straighten you may straighten he may straighten we may straighten you may straighten they may straighten	I may be straightening you may be straightening he may be straightening we may be straightening you may be straightening they may be straightening
Perfect	V-ing perfect
I may have straightened you may have straightened he may have straightened we may have straightened you may have straightened they may have straightened	I may have been straightening you may have been straightening he may have been straightening we may have been straightening you may have been straightening they may have been straightening

Negation

Simple form	V-ing form
I may not straighten you may not straighten he may not straighten we may not straighten you may not straighten they may not straighten	I may not be straightening you may not be straightening he may not be straightening we may not be straightening you may not be straightening they may not be straightening
Perfect	V-ing perfect
I may not have straightened you may not have straightened he may not have straightened we may not have straightened you may not have straightened they may not have straightened	I may not have been straightening you may not have been straightening he may not have been straightening we may not have been straightening you may not have been straightening they may not have been straightening

Interrogative form

Simple form	V-ing form
may I straighten? may you straighten? may he straighten? may we straighten? may you straighten? may they straighten?	may I be straightening? may you be straightening? may he be straightening? may we be straightening? may you be straightening? may they be straightening?
Perfect	V-ing perfect
may I have straightened? may you have straightened? may he have straightened? may we have straightened? may you have straightened? may they have straightened?	may I have been straightening? may you have been straightening? may he have been straightening? may we have been straightening? may you have been straightening? may they have been straightening?

Interro-negative form

Simple form	V-ing form
may I not straighten? may you not straighten? may he not straighten? may we not straighten? may you not straighten? may they not straighten?	may I not be straightening? may you not be straightening? may he not be straightening? may we not be straightening? may you not be straightening? may they not be straightening?
Perfect	V-ing perfect
may I not have straightened? may you not have straightened? may he not have straightened? may we not have straightened? may you not have straightened? may they not have straightened?	may I not have been straightening? may you not have been straightening? may he not have been straightening? may we not have been straightening? may you not have been straightening? may they not have been straightening?