English verb conjugation
MAY PLACARD

Regular verb: placard - placarded - placarded

Affirmation

Simple form	V-ing form
I may placard you may placard he may placard we may placard you may placard they may placard	I may be placarding you may be placarding he may be placarding we may be placarding you may be placarding they may be placarding
Perfect	V-ing perfect
I may have placarded you may have placarded he may have placarded we may have placarded you may have placarded they may have placarded	I may have been placarding you may have been placarding he may have been placarding we may have been placarding you may have been placarding they may have been placarding

Negation

Simple form	V-ing form
I may not placard you may not placard he may not placard we may not placard you may not placard they may not placard	I may not be placarding you may not be placarding he may not be placarding we may not be placarding you may not be placarding they may not be placarding
Perfect	V-ing perfect
I may not have placarded you may not have placarded he may not have placarded we may not have placarded you may not have placarded they may not have placarded	I may not have been placarding you may not have been placarding he may not have been placarding we may not have been placarding you may not have been placarding they may not have been placarding

Interrogative form

Simple form	V-ing form
may I placard? may you placard? may he placard? may we placard? may you placard? may they placard?	may I be placarding? may you be placarding? may he be placarding? may we be placarding? may you be placarding? may they be placarding?
Perfect	V-ing perfect
may I have placarded? may you have placarded? may he have placarded? may we have placarded? may you have placarded? may they have placarded?	may I have been placarding? may you have been placarding? may he have been placarding? may we have been placarding? may you have been placarding? may they have been placarding?

Interro-negative form

Simple form	V-ing form
may I not placard? may you not placard? may he not placard? may we not placard? may you not placard? may they not placard?	may I not be placarding? may you not be placarding? may he not be placarding? may we not be placarding? may you not be placarding? may they not be placarding?
Perfect	V-ing perfect
may I not have placarded? may you not have placarded? may he not have placarded? may we not have placarded? may you not have placarded? may they not have placarded?	may I not have been placarding? may you not have been placarding? may he not have been placarding? may we not have been placarding? may you not have been placarding? may they not have been placarding?