may excavate
Verbo regular: excavate - excavated- excavated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may excavate
you may excavate
he may excavate
we may excavate
you may excavate
they may excavate 	I may be excavating
you may be excavating
he may be excavating
we may be excavating
you may be excavating
they may be excavating	I may have excavated
you may have excavated
he may have excavated
we may have excavated
you may have excavated
they may have excavated	I may have been excavating
you may have been excavating
he may have been excavating
we may have been excavating
you may have been excavating
they may have been excavating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't excavate
you mayn't excavate
he mayn't excavate
we mayn't excavate
you mayn't excavate
they mayn't excavate 	I mayn't be excavating
you mayn't be excavating
he mayn't be excavating
we mayn't be excavating
you mayn't be excavating
they mayn't be excavating	I mayn't have excavated
you mayn't have excavated
he mayn't have excavated
we mayn't have excavated
you mayn't have excavated
they mayn't have excavated	I mayn't have been excavating
you mayn't have been excavating
he mayn't have been excavating
we mayn't have been excavating
you mayn't have been excavating
they mayn't have been excavating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I excavate?
may you excavate?
may he excavate?
may we excavate?
may you excavate?
may they excavate? 	may I be excavating?
may you be excavating?
may he be excavating?
may we be excavating?
may you be excavating?
may they be excavating? 	may I have excavated?
may you have excavated?
may he have excavated?
may we have excavated?
may you have excavated?
may they have excavated? 	may I have been excavating?
may you have been excavating?
may he have been excavating?
may we have been excavating?
may you have been excavating?
may they have been excavating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I excavate?
mayn't you excavate?
mayn't he excavate?
mayn't we excavate?
mayn't you excavate?
mayn't they excavate? 	mayn't I be excavating?
mayn't you be excavating?
mayn't he be excavating?
mayn't we be excavating?
mayn't you be excavating?
mayn't they be excavating? 	mayn't I have excavated?
mayn't you have excavated?
mayn't he have excavated?
mayn't we have excavated?
mayn't you have excavated?
mayn't they have excavated? 	mayn't I have been excavating?
mayn't you have been excavating?
mayn't he have been excavating?
mayn't we have been excavating?
mayn't you have been excavating?
mayn't they have been excavating?