English verb conjugation
MAY RETROFIRE

Regular verb: retrofire - retrofired - retrofired

Affirmation

Simple form	V-ing form
I may retrofire you may retrofire she may retrofire we may retrofire you may retrofire they may retrofire	I may be retrofiring you may be retrofiring she may be retrofiring we may be retrofiring you may be retrofiring they may be retrofiring
Perfect	V-ing perfect
I may have retrofired you may have retrofired she may have retrofired we may have retrofired you may have retrofired they may have retrofired	I may have been retrofiring you may have been retrofiring she may have been retrofiring we may have been retrofiring you may have been retrofiring they may have been retrofiring

Negation

Simple form	V-ing form
I may not retrofire you may not retrofire she may not retrofire we may not retrofire you may not retrofire they may not retrofire	I may not be retrofiring you may not be retrofiring she may not be retrofiring we may not be retrofiring you may not be retrofiring they may not be retrofiring
Perfect	V-ing perfect
I may not have retrofired you may not have retrofired she may not have retrofired we may not have retrofired you may not have retrofired they may not have retrofired	I may not have been retrofiring you may not have been retrofiring she may not have been retrofiring we may not have been retrofiring you may not have been retrofiring they may not have been retrofiring

Interrogative form

Simple form	V-ing form
may I retrofire? may you retrofire? may she retrofire? may we retrofire? may you retrofire? may they retrofire?	may I be retrofiring? may you be retrofiring? may she be retrofiring? may we be retrofiring? may you be retrofiring? may they be retrofiring?
Perfect	V-ing perfect
may I have retrofired? may you have retrofired? may she have retrofired? may we have retrofired? may you have retrofired? may they have retrofired?	may I have been retrofiring? may you have been retrofiring? may she have been retrofiring? may we have been retrofiring? may you have been retrofiring? may they have been retrofiring?

Interro-negative form

Simple form	V-ing form
may I not retrofire? may you not retrofire? may she not retrofire? may we not retrofire? may you not retrofire? may they not retrofire?	may I not be retrofiring? may you not be retrofiring? may she not be retrofiring? may we not be retrofiring? may you not be retrofiring? may they not be retrofiring?
Perfect	V-ing perfect
may I not have retrofired? may you not have retrofired? may she not have retrofired? may we not have retrofired? may you not have retrofired? may they not have retrofired?	may I not have been retrofiring? may you not have been retrofiring? may she not have been retrofiring? may we not have been retrofiring? may you not have been retrofiring? may they not have been retrofiring?