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