may switchback
Verbo regular: switchback - switchbacked- switchbacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may switchback
you may switchback
he may switchback
we may switchback
you may switchback
they may switchback 	I may be switchbacking
you may be switchbacking
he may be switchbacking
we may be switchbacking
you may be switchbacking
they may be switchbacking	I may have switchbacked
you may have switchbacked
he 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
he may have been switchbacking
we may have been switchbacking
you may have been switchbacking
they may have been switchbacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not switchback
you may not switchback
he 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
he 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
he 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
he may not have been switchbacking
we may not have been switchbacking
you may not have been switchbacking
they may not have been switchbacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I switchback?
may you switchback?
may he switchback?
may we switchback?
may you switchback?
may they switchback? 	may I be switchbacking?
may you be switchbacking?
may he be switchbacking?
may we be switchbacking?
may you be switchbacking?
may they be switchbacking? 	may I have switchbacked?
may you have switchbacked?
may he 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 he have been switchbacking?
may we have been switchbacking?
may you have been switchbacking?
may they have been switchbacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not switchback?
may you not switchback?
may he 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 he 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 he 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 he not have been switchbacking?
may we not have been switchbacking?
may you not have been switchbacking?
may they not have been switchbacking?