should rival
Verbo regular: rival - rivalled- rivalled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd rival
you'd rival
he'd rival
we'd rival
you'd rival
they'd rival 	I'd be rivalling
you'd be rivalling
he'd be rivalling
we'd be rivalling
you'd be rivalling
they'd be rivalling	I should've rivalled
you should've rivalled
he should've rivalled
we should've rivalled
you should've rivalled
they should've rivalled	I should've been rivalling
you should've been rivalling
he should've been rivalling
we should've been rivalling
you should've been rivalling
they should've been rivalling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't rival
you shouldn't rival
he shouldn't rival
we shouldn't rival
you shouldn't rival
they shouldn't rival 	I shouldn't be rivalling
you shouldn't be rivalling
he shouldn't be rivalling
we shouldn't be rivalling
you shouldn't be rivalling
they shouldn't be rivalling	I shouldn't have rivalled
you shouldn't have rivalled
he shouldn't have rivalled
we shouldn't have rivalled
you shouldn't have rivalled
they shouldn't have rivalled	I shouldn't have been rivalling
you shouldn't have been rivalling
he shouldn't have been rivalling
we shouldn't have been rivalling
you shouldn't have been rivalling
they shouldn't have been rivalling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I rival?
should you rival?
should he rival?
should we rival?
should you rival?
should they rival? 	should I be rivalling?
should you be rivalling?
should he be rivalling?
should we be rivalling?
should you be rivalling?
should they be rivalling? 	should I have rivalled?
should you have rivalled?
should he have rivalled?
should we have rivalled?
should you have rivalled?
should they have rivalled? 	should I have been rivalling?
should you have been rivalling?
should he have been rivalling?
should we have been rivalling?
should you have been rivalling?
should they have been rivalling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I rival?
shouldn't you rival?
shouldn't he rival?
shouldn't we rival?
shouldn't you rival?
shouldn't they rival? 	shouldn't I be rivalling?
shouldn't you be rivalling?
shouldn't he be rivalling?
shouldn't we be rivalling?
shouldn't you be rivalling?
shouldn't they be rivalling? 	shouldn't I have rivalled?
shouldn't you have rivalled?
shouldn't he have rivalled?
shouldn't we have rivalled?
shouldn't you have rivalled?
shouldn't they have rivalled? 	shouldn't I have been rivalling?
shouldn't you have been rivalling?
shouldn't he have been rivalling?
shouldn't we have been rivalling?
shouldn't you have been rivalling?
shouldn't they have been rivalling?