should contest
Verbo regular: contest - contested- contested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd contest
you'd contest
he'd contest
we'd contest
you'd contest
they'd contest 	I'd be contesting
you'd be contesting
he'd be contesting
we'd be contesting
you'd be contesting
they'd be contesting	I should've contested
you should've contested
he should've contested
we should've contested
you should've contested
they should've contested	I should've been contesting
you should've been contesting
he should've been contesting
we should've been contesting
you should've been contesting
they should've been contesting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't contest
you shouldn't contest
he shouldn't contest
we shouldn't contest
you shouldn't contest
they shouldn't contest 	I shouldn't be contesting
you shouldn't be contesting
he shouldn't be contesting
we shouldn't be contesting
you shouldn't be contesting
they shouldn't be contesting	I shouldn't have contested
you shouldn't have contested
he shouldn't have contested
we shouldn't have contested
you shouldn't have contested
they shouldn't have contested	I shouldn't have been contesting
you shouldn't have been contesting
he shouldn't have been contesting
we shouldn't have been contesting
you shouldn't have been contesting
they shouldn't have been contesting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I contest?
should you contest?
should he contest?
should we contest?
should you contest?
should they contest? 	should I be contesting?
should you be contesting?
should he be contesting?
should we be contesting?
should you be contesting?
should they be contesting? 	should I have contested?
should you have contested?
should he have contested?
should we have contested?
should you have contested?
should they have contested? 	should I have been contesting?
should you have been contesting?
should he have been contesting?
should we have been contesting?
should you have been contesting?
should they have been contesting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I contest?
shouldn't you contest?
shouldn't he contest?
shouldn't we contest?
shouldn't you contest?
shouldn't they contest? 	shouldn't I be contesting?
shouldn't you be contesting?
shouldn't he be contesting?
shouldn't we be contesting?
shouldn't you be contesting?
shouldn't they be contesting? 	shouldn't I have contested?
shouldn't you have contested?
shouldn't he have contested?
shouldn't we have contested?
shouldn't you have contested?
shouldn't they have contested? 	shouldn't I have been contesting?
shouldn't you have been contesting?
shouldn't he have been contesting?
shouldn't we have been contesting?
shouldn't you have been contesting?
shouldn't they have been contesting?