may retreat
Regular verb: retreat - retreated- retreated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may retreat
you may retreat
she may retreat
we may retreat
you may retreat
they may retreat 	I may be retreating
you may be retreating
she may be retreating
we may be retreating
you may be retreating
they may be retreating	I may have retreated
you may have retreated
she 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
she may have been retreating
we may have been retreating
you may have been retreating
they may have been retreating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not retreat
you may not retreat
she 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
she 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
she 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
she may not have been retreating
we may not have been retreating
you may not have been retreating
they may not have been retreating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I retreat?
may you retreat?
may she retreat?
may we retreat?
may you retreat?
may they retreat? 	may I be retreating?
may you be retreating?
may she be retreating?
may we be retreating?
may you be retreating?
may they be retreating? 	may I have retreated?
may you have retreated?
may she 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 she have been retreating?
may we have been retreating?
may you have been retreating?
may they have been retreating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not retreat?
may you not retreat?
may she 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 she 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 she 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 she not have been retreating?
may we not have been retreating?
may you not have been retreating?
may they not have been retreating?