English verb conjugation
MAY DESIGN

Regular verb: design - designed - designed

Affirmation

Simple form	V-ing form
I may design you may design he may design we may design you may design they may design	I may be designing you may be designing he may be designing we may be designing you may be designing they may be designing
Perfect	V-ing perfect
I may have designed you may have designed he may have designed we may have designed you may have designed they may have designed	I may have been designing you may have been designing he may have been designing we may have been designing you may have been designing they may have been designing

Negation

Simple form	V-ing form
I may not design you may not design he may not design we may not design you may not design they may not design	I may not be designing you may not be designing he may not be designing we may not be designing you may not be designing they may not be designing
Perfect	V-ing perfect
I may not have designed you may not have designed he may not have designed we may not have designed you may not have designed they may not have designed	I may not have been designing you may not have been designing he may not have been designing we may not have been designing you may not have been designing they may not have been designing

Interrogative form

Simple form	V-ing form
may I design? may you design? may he design? may we design? may you design? may they design?	may I be designing? may you be designing? may he be designing? may we be designing? may you be designing? may they be designing?
Perfect	V-ing perfect
may I have designed? may you have designed? may he have designed? may we have designed? may you have designed? may they have designed?	may I have been designing? may you have been designing? may he have been designing? may we have been designing? may you have been designing? may they have been designing?

Interro-negative form

Simple form	V-ing form
may I not design? may you not design? may he not design? may we not design? may you not design? may they not design?	may I not be designing? may you not be designing? may he not be designing? may we not be designing? may you not be designing? may they not be designing?
Perfect	V-ing perfect
may I not have designed? may you not have designed? may he not have designed? may we not have designed? may you not have designed? may they not have designed?	may I not have been designing? may you not have been designing? may he not have been designing? may we not have been designing? may you not have been designing? may they not have been designing?