may vary
Verbo regular: vary - varied- varied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may vary
you may vary
she may vary
we may vary
you may vary
they may vary 	I may be varying
you may be varying
she may be varying
we may be varying
you may be varying
they may be varying	I may have varied
you may have varied
she may have varied
we may have varied
you may have varied
they may have varied	I may have been varying
you may have been varying
she may have been varying
we may have been varying
you may have been varying
they may have been varying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not vary
you may not vary
she may not vary
we may not vary
you may not vary
they may not vary 	I may not be varying
you may not be varying
she may not be varying
we may not be varying
you may not be varying
they may not be varying	I may not have varied
you may not have varied
she may not have varied
we may not have varied
you may not have varied
they may not have varied	I may not have been varying
you may not have been varying
she may not have been varying
we may not have been varying
you may not have been varying
they may not have been varying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I vary?
may you vary?
may she vary?
may we vary?
may you vary?
may they vary? 	may I be varying?
may you be varying?
may she be varying?
may we be varying?
may you be varying?
may they be varying? 	may I have varied?
may you have varied?
may she have varied?
may we have varied?
may you have varied?
may they have varied? 	may I have been varying?
may you have been varying?
may she have been varying?
may we have been varying?
may you have been varying?
may they have been varying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not vary?
may you not vary?
may she not vary?
may we not vary?
may you not vary?
may they not vary? 	may I not be varying?
may you not be varying?
may she not be varying?
may we not be varying?
may you not be varying?
may they not be varying? 	may I not have varied?
may you not have varied?
may she not have varied?
may we not have varied?
may you not have varied?
may they not have varied? 	may I not have been varying?
may you not have been varying?
may she not have been varying?
may we not have been varying?
may you not have been varying?
may they not have been varying?