may rival
Verbo regular: rival - rivalled- rivalled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may rival
you may rival
he may rival
we may rival
you may rival
they may rival 	I may be rivalling
you may be rivalling
he may be rivalling
we may be rivalling
you may be rivalling
they may be rivalling	I may have rivalled
you may have rivalled
he may have rivalled
we may have rivalled
you may have rivalled
they may have rivalled	I may have been rivalling
you may have been rivalling
he may have been rivalling
we may have been rivalling
you may have been rivalling
they may have been rivalling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not rival
you may not rival
he may not rival
we may not rival
you may not rival
they may not rival 	I may not be rivalling
you may not be rivalling
he may not be rivalling
we may not be rivalling
you may not be rivalling
they may not be rivalling	I may not have rivalled
you may not have rivalled
he may not have rivalled
we may not have rivalled
you may not have rivalled
they may not have rivalled	I may not have been rivalling
you may not have been rivalling
he may not have been rivalling
we may not have been rivalling
you may not have been rivalling
they may not have been rivalling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I rival?
may you rival?
may he rival?
may we rival?
may you rival?
may they rival? 	may I be rivalling?
may you be rivalling?
may he be rivalling?
may we be rivalling?
may you be rivalling?
may they be rivalling? 	may I have rivalled?
may you have rivalled?
may he have rivalled?
may we have rivalled?
may you have rivalled?
may they have rivalled? 	may I have been rivalling?
may you have been rivalling?
may he have been rivalling?
may we have been rivalling?
may you have been rivalling?
may they have been rivalling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not rival?
may you not rival?
may he not rival?
may we not rival?
may you not rival?
may they not rival? 	may I not be rivalling?
may you not be rivalling?
may he not be rivalling?
may we not be rivalling?
may you not be rivalling?
may they not be rivalling? 	may I not have rivalled?
may you not have rivalled?
may he not have rivalled?
may we not have rivalled?
may you not have rivalled?
may they not have rivalled? 	may I not have been rivalling?
may you not have been rivalling?
may he not have been rivalling?
may we not have been rivalling?
may you not have been rivalling?
may they not have been rivalling?