may alternate
Regular verb: alternate - alternated- alternated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may alternate
you may alternate
he may alternate
we may alternate
you may alternate
they may alternate 	I may be alternating
you may be alternating
he may be alternating
we may be alternating
you may be alternating
they may be alternating	I may have alternated
you may have alternated
he may have alternated
we may have alternated
you may have alternated
they may have alternated	I may have been alternating
you may have been alternating
he may have been alternating
we may have been alternating
you may have been alternating
they may have been alternating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not alternate
you may not alternate
he may not alternate
we may not alternate
you may not alternate
they may not alternate 	I may not be alternating
you may not be alternating
he may not be alternating
we may not be alternating
you may not be alternating
they may not be alternating	I may not have alternated
you may not have alternated
he may not have alternated
we may not have alternated
you may not have alternated
they may not have alternated	I may not have been alternating
you may not have been alternating
he may not have been alternating
we may not have been alternating
you may not have been alternating
they may not have been alternating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I alternate?
may you alternate?
may he alternate?
may we alternate?
may you alternate?
may they alternate? 	may I be alternating?
may you be alternating?
may he be alternating?
may we be alternating?
may you be alternating?
may they be alternating? 	may I have alternated?
may you have alternated?
may he have alternated?
may we have alternated?
may you have alternated?
may they have alternated? 	may I have been alternating?
may you have been alternating?
may he have been alternating?
may we have been alternating?
may you have been alternating?
may they have been alternating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not alternate?
may you not alternate?
may he not alternate?
may we not alternate?
may you not alternate?
may they not alternate? 	may I not be alternating?
may you not be alternating?
may he not be alternating?
may we not be alternating?
may you not be alternating?
may they not be alternating? 	may I not have alternated?
may you not have alternated?
may he not have alternated?
may we not have alternated?
may you not have alternated?
may they not have alternated? 	may I not have been alternating?
may you not have been alternating?
may he not have been alternating?
may we not have been alternating?
may you not have been alternating?
may they not have been alternating?