may switchback
Regular verb: switchback - switchbacked- switchbacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may switchback
you may switchback
she may switchback
we may switchback
you may switchback
they may switchback 	I may be switchbacking
you may be switchbacking
she may be switchbacking
we may be switchbacking
you may be switchbacking
they may be switchbacking	I may have switchbacked
you may have switchbacked
she may have switchbacked
we may have switchbacked
you may have switchbacked
they may have switchbacked	I may have been switchbacking
you may have been switchbacking
she may have been switchbacking
we may have been switchbacking
you may have been switchbacking
they may have been switchbacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not switchback
you may not switchback
she may not switchback
we may not switchback
you may not switchback
they may not switchback 	I may not be switchbacking
you may not be switchbacking
she may not be switchbacking
we may not be switchbacking
you may not be switchbacking
they may not be switchbacking	I may not have switchbacked
you may not have switchbacked
she may not have switchbacked
we may not have switchbacked
you may not have switchbacked
they may not have switchbacked	I may not have been switchbacking
you may not have been switchbacking
she may not have been switchbacking
we may not have been switchbacking
you may not have been switchbacking
they may not have been switchbacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I switchback?
may you switchback?
may she switchback?
may we switchback?
may you switchback?
may they switchback? 	may I be switchbacking?
may you be switchbacking?
may she be switchbacking?
may we be switchbacking?
may you be switchbacking?
may they be switchbacking? 	may I have switchbacked?
may you have switchbacked?
may she have switchbacked?
may we have switchbacked?
may you have switchbacked?
may they have switchbacked? 	may I have been switchbacking?
may you have been switchbacking?
may she have been switchbacking?
may we have been switchbacking?
may you have been switchbacking?
may they have been switchbacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not switchback?
may you not switchback?
may she not switchback?
may we not switchback?
may you not switchback?
may they not switchback? 	may I not be switchbacking?
may you not be switchbacking?
may she not be switchbacking?
may we not be switchbacking?
may you not be switchbacking?
may they not be switchbacking? 	may I not have switchbacked?
may you not have switchbacked?
may she not have switchbacked?
may we not have switchbacked?
may you not have switchbacked?
may they not have switchbacked? 	may I not have been switchbacking?
may you not have been switchbacking?
may she not have been switchbacking?
may we not have been switchbacking?
may you not have been switchbacking?
may they not have been switchbacking?