may unshift
Verbo regular: unshift - unshifted- unshifted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may unshift
you may unshift
she may unshift
we may unshift
you may unshift
they may unshift 	I may be unshifting
you may be unshifting
she may be unshifting
we may be unshifting
you may be unshifting
they may be unshifting	I may have unshifted
you may have unshifted
she may have unshifted
we may have unshifted
you may have unshifted
they may have unshifted	I may have been unshifting
you may have been unshifting
she may have been unshifting
we may have been unshifting
you may have been unshifting
they may have been unshifting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not unshift
you may not unshift
she may not unshift
we may not unshift
you may not unshift
they may not unshift 	I may not be unshifting
you may not be unshifting
she may not be unshifting
we may not be unshifting
you may not be unshifting
they may not be unshifting	I may not have unshifted
you may not have unshifted
she may not have unshifted
we may not have unshifted
you may not have unshifted
they may not have unshifted	I may not have been unshifting
you may not have been unshifting
she may not have been unshifting
we may not have been unshifting
you may not have been unshifting
they may not have been unshifting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I unshift?
may you unshift?
may she unshift?
may we unshift?
may you unshift?
may they unshift? 	may I be unshifting?
may you be unshifting?
may she be unshifting?
may we be unshifting?
may you be unshifting?
may they be unshifting? 	may I have unshifted?
may you have unshifted?
may she have unshifted?
may we have unshifted?
may you have unshifted?
may they have unshifted? 	may I have been unshifting?
may you have been unshifting?
may she have been unshifting?
may we have been unshifting?
may you have been unshifting?
may they have been unshifting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not unshift?
may you not unshift?
may she not unshift?
may we not unshift?
may you not unshift?
may they not unshift? 	may I not be unshifting?
may you not be unshifting?
may she not be unshifting?
may we not be unshifting?
may you not be unshifting?
may they not be unshifting? 	may I not have unshifted?
may you not have unshifted?
may she not have unshifted?
may we not have unshifted?
may you not have unshifted?
may they not have unshifted? 	may I not have been unshifting?
may you not have been unshifting?
may she not have been unshifting?
may we not have been unshifting?
may you not have been unshifting?
may they not have been unshifting?