I may spit you may spit he may spit we may spit you may spit they may spit
V-ing form
I may be spitting you may be spitting he may be spitting we may be spitting you may be spitting they may be spitting
Perfect
I may have spit you may have spit he may have spit we may have spit you may have spit they may have spit
V-ing perfect
I may have been spitting you may have been spitting he may have been spitting we may have been spitting you may have been spitting they may have been spitting
Negation
Simple form
I may not spit you may not spit he may not spit we may not spit you may not spit they may not spit
V-ing form
I may not be spitting you may not be spitting he may not be spitting we may not be spitting you may not be spitting they may not be spitting
Perfect
I may not have spit you may not have spit he may not have spit we may not have spit you may not have spit they may not have spit
V-ing perfect
I may not have been spitting you may not have been spitting he may not have been spitting we may not have been spitting you may not have been spitting they may not have been spitting
Interrogative form
Simple form
may I spit? may you spit? may he spit? may we spit? may you spit? may they spit?
V-ing form
may I be spitting? may you be spitting? may he be spitting? may we be spitting? may you be spitting? may they be spitting?
Perfect
may I have spit? may you have spit? may he have spit? may we have spit? may you have spit? may they have spit?
V-ing perfect
may I have been spitting? may you have been spitting? may he have been spitting? may we have been spitting? may you have been spitting? may they have been spitting?
Interro-negative form
Simple form
may I not spit? may you not spit? may he not spit? may we not spit? may you not spit? may they not spit?
V-ing form
may I not be spitting? may you not be spitting? may he not be spitting? may we not be spitting? may you not be spitting? may they not be spitting?
Perfect
may I not have spit? may you not have spit? may he not have spit? may we not have spit? may you not have spit? may they not have spit?
V-ing perfect
may I not have been spitting? may you not have been spitting? may he not have been spitting? may we not have been spitting? may you not have been spitting? may they not have been spitting?