English verb conjugation
MAY PREFER

Regular verb: prefer - preferred - preferred

Affirmation

Simple form	V-ing form
I may prefer you may prefer he may prefer we may prefer you may prefer they may prefer	I may be preferring you may be preferring he may be preferring we may be preferring you may be preferring they may be preferring
Perfect	V-ing perfect
I may have preferred you may have preferred he may have preferred we may have preferred you may have preferred they may have preferred	I may have been preferring you may have been preferring he may have been preferring we may have been preferring you may have been preferring they may have been preferring

Negation

Simple form	V-ing form
I may not prefer you may not prefer he may not prefer we may not prefer you may not prefer they may not prefer	I may not be preferring you may not be preferring he may not be preferring we may not be preferring you may not be preferring they may not be preferring
Perfect	V-ing perfect
I may not have preferred you may not have preferred he may not have preferred we may not have preferred you may not have preferred they may not have preferred	I may not have been preferring you may not have been preferring he may not have been preferring we may not have been preferring you may not have been preferring they may not have been preferring

Interrogative form

Simple form	V-ing form
may I prefer? may you prefer? may he prefer? may we prefer? may you prefer? may they prefer?	may I be preferring? may you be preferring? may he be preferring? may we be preferring? may you be preferring? may they be preferring?
Perfect	V-ing perfect
may I have preferred? may you have preferred? may he have preferred? may we have preferred? may you have preferred? may they have preferred?	may I have been preferring? may you have been preferring? may he have been preferring? may we have been preferring? may you have been preferring? may they have been preferring?

Interro-negative form

Simple form	V-ing form
may I not prefer? may you not prefer? may he not prefer? may we not prefer? may you not prefer? may they not prefer?	may I not be preferring? may you not be preferring? may he not be preferring? may we not be preferring? may you not be preferring? may they not be preferring?
Perfect	V-ing perfect
may I not have preferred? may you not have preferred? may he not have preferred? may we not have preferred? may you not have preferred? may they not have preferred?	may I not have been preferring? may you not have been preferring? may he not have been preferring? may we not have been preferring? may you not have been preferring? may they not have been preferring?