may grubstake
Verbo regular: grubstake - grubstaked- grubstaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may grubstake
you may grubstake
he may grubstake
we may grubstake
you may grubstake
they may grubstake 	I may be grubstaking
you may be grubstaking
he may be grubstaking
we may be grubstaking
you may be grubstaking
they may be grubstaking	I may have grubstaked
you may have grubstaked
he may have grubstaked
we may have grubstaked
you may have grubstaked
they may have grubstaked	I may have been grubstaking
you may have been grubstaking
he may have been grubstaking
we may have been grubstaking
you may have been grubstaking
they may have been grubstaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not grubstake
you may not grubstake
he may not grubstake
we may not grubstake
you may not grubstake
they may not grubstake 	I may not be grubstaking
you may not be grubstaking
he may not be grubstaking
we may not be grubstaking
you may not be grubstaking
they may not be grubstaking	I may not have grubstaked
you may not have grubstaked
he may not have grubstaked
we may not have grubstaked
you may not have grubstaked
they may not have grubstaked	I may not have been grubstaking
you may not have been grubstaking
he may not have been grubstaking
we may not have been grubstaking
you may not have been grubstaking
they may not have been grubstaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I grubstake?
may you grubstake?
may he grubstake?
may we grubstake?
may you grubstake?
may they grubstake? 	may I be grubstaking?
may you be grubstaking?
may he be grubstaking?
may we be grubstaking?
may you be grubstaking?
may they be grubstaking? 	may I have grubstaked?
may you have grubstaked?
may he have grubstaked?
may we have grubstaked?
may you have grubstaked?
may they have grubstaked? 	may I have been grubstaking?
may you have been grubstaking?
may he have been grubstaking?
may we have been grubstaking?
may you have been grubstaking?
may they have been grubstaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not grubstake?
may you not grubstake?
may he not grubstake?
may we not grubstake?
may you not grubstake?
may they not grubstake? 	may I not be grubstaking?
may you not be grubstaking?
may he not be grubstaking?
may we not be grubstaking?
may you not be grubstaking?
may they not be grubstaking? 	may I not have grubstaked?
may you not have grubstaked?
may he not have grubstaked?
may we not have grubstaked?
may you not have grubstaked?
may they not have grubstaked? 	may I not have been grubstaking?
may you not have been grubstaking?
may he not have been grubstaking?
may we not have been grubstaking?
may you not have been grubstaking?
may they not have been grubstaking?