English verb conjugation
MAY SMOKE

Regular verb: smoke - smoked - smoked

Affirmation

Simple form	V-ing form
I may smoke you may smoke he may smoke we may smoke you may smoke they may smoke	I may be smoking you may be smoking he may be smoking we may be smoking you may be smoking they may be smoking
Perfect	V-ing perfect
I may have smoked you may have smoked he may have smoked we may have smoked you may have smoked they may have smoked	I may have been smoking you may have been smoking he may have been smoking we may have been smoking you may have been smoking they may have been smoking

Negation

Simple form	V-ing form
I may not smoke you may not smoke he may not smoke we may not smoke you may not smoke they may not smoke	I may not be smoking you may not be smoking he may not be smoking we may not be smoking you may not be smoking they may not be smoking
Perfect	V-ing perfect
I may not have smoked you may not have smoked he may not have smoked we may not have smoked you may not have smoked they may not have smoked	I may not have been smoking you may not have been smoking he may not have been smoking we may not have been smoking you may not have been smoking they may not have been smoking

Interrogative form

Simple form	V-ing form
may I smoke? may you smoke? may he smoke? may we smoke? may you smoke? may they smoke?	may I be smoking? may you be smoking? may he be smoking? may we be smoking? may you be smoking? may they be smoking?
Perfect	V-ing perfect
may I have smoked? may you have smoked? may he have smoked? may we have smoked? may you have smoked? may they have smoked?	may I have been smoking? may you have been smoking? may he have been smoking? may we have been smoking? may you have been smoking? may they have been smoking?

Interro-negative form

Simple form	V-ing form
may I not smoke? may you not smoke? may he not smoke? may we not smoke? may you not smoke? may they not smoke?	may I not be smoking? may you not be smoking? may he not be smoking? may we not be smoking? may you not be smoking? may they not be smoking?
Perfect	V-ing perfect
may I not have smoked? may you not have smoked? may he not have smoked? may we not have smoked? may you not have smoked? may they not have smoked?	may I not have been smoking? may you not have been smoking? may he not have been smoking? may we not have been smoking? may you not have been smoking? may they not have been smoking?