may retreat
Verbo regular: retreat - retreated- retreated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may retreat
you may retreat
he may retreat
we may retreat
you may retreat
they may retreat 	I may be retreating
you may be retreating
he may be retreating
we may be retreating
you may be retreating
they may be retreating	I may have retreated
you may have retreated
he may have retreated
we may have retreated
you may have retreated
they may have retreated	I may have been retreating
you may have been retreating
he may have been retreating
we may have been retreating
you may have been retreating
they may have been retreating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not retreat
you may not retreat
he may not retreat
we may not retreat
you may not retreat
they may not retreat 	I may not be retreating
you may not be retreating
he may not be retreating
we may not be retreating
you may not be retreating
they may not be retreating	I may not have retreated
you may not have retreated
he may not have retreated
we may not have retreated
you may not have retreated
they may not have retreated	I may not have been retreating
you may not have been retreating
he may not have been retreating
we may not have been retreating
you may not have been retreating
they may not have been retreating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I retreat?
may you retreat?
may he retreat?
may we retreat?
may you retreat?
may they retreat? 	may I be retreating?
may you be retreating?
may he be retreating?
may we be retreating?
may you be retreating?
may they be retreating? 	may I have retreated?
may you have retreated?
may he have retreated?
may we have retreated?
may you have retreated?
may they have retreated? 	may I have been retreating?
may you have been retreating?
may he have been retreating?
may we have been retreating?
may you have been retreating?
may they have been retreating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not retreat?
may you not retreat?
may he not retreat?
may we not retreat?
may you not retreat?
may they not retreat? 	may I not be retreating?
may you not be retreating?
may he not be retreating?
may we not be retreating?
may you not be retreating?
may they not be retreating? 	may I not have retreated?
may you not have retreated?
may he not have retreated?
may we not have retreated?
may you not have retreated?
may they not have retreated? 	may I not have been retreating?
may you not have been retreating?
may he not have been retreating?
may we not have been retreating?
may you not have been retreating?
may they not have been retreating?