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 mayn't retrofire you mayn't retrofire she mayn't retrofire we mayn't retrofire you mayn't retrofire they mayn't retrofire	I mayn't be retrofiring you mayn't be retrofiring she mayn't be retrofiring we mayn't be retrofiring you mayn't be retrofiring they mayn't be retrofiring
Perfect	V-ing perfect
I mayn't have retrofired you mayn't have retrofired she mayn't have retrofired we mayn't have retrofired you mayn't have retrofired they mayn't have retrofired	I mayn't have been retrofiring you mayn't have been retrofiring she mayn't have been retrofiring we mayn't have been retrofiring you mayn't have been retrofiring they mayn't 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
mayn't I retrofire? mayn't you retrofire? mayn't she retrofire? mayn't we retrofire? mayn't you retrofire? mayn't they retrofire?	mayn't I be retrofiring? mayn't you be retrofiring? mayn't she be retrofiring? mayn't we be retrofiring? mayn't you be retrofiring? mayn't they be retrofiring?
Perfect	V-ing perfect
mayn't I have retrofired? mayn't you have retrofired? mayn't she have retrofired? mayn't we have retrofired? mayn't you have retrofired? mayn't they have retrofired?	mayn't I have been retrofiring? mayn't you have been retrofiring? mayn't she have been retrofiring? mayn't we have been retrofiring? mayn't you have been retrofiring? mayn't they have been retrofiring?