should intervene
Verbo regular: intervene - intervened- intervened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd intervene
you'd intervene
he'd intervene
we'd intervene
you'd intervene
they'd intervene 	I'd be intervening
you'd be intervening
he'd be intervening
we'd be intervening
you'd be intervening
they'd be intervening	I should've intervened
you should've intervened
he should've intervened
we should've intervened
you should've intervened
they should've intervened	I should've been intervening
you should've been intervening
he should've been intervening
we should've been intervening
you should've been intervening
they should've been intervening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't intervene
you shouldn't intervene
he shouldn't intervene
we shouldn't intervene
you shouldn't intervene
they shouldn't intervene 	I shouldn't be intervening
you shouldn't be intervening
he shouldn't be intervening
we shouldn't be intervening
you shouldn't be intervening
they shouldn't be intervening	I shouldn't have intervened
you shouldn't have intervened
he shouldn't have intervened
we shouldn't have intervened
you shouldn't have intervened
they shouldn't have intervened	I shouldn't have been intervening
you shouldn't have been intervening
he shouldn't have been intervening
we shouldn't have been intervening
you shouldn't have been intervening
they shouldn't have been intervening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I intervene?
should you intervene?
should he intervene?
should we intervene?
should you intervene?
should they intervene? 	should I be intervening?
should you be intervening?
should he be intervening?
should we be intervening?
should you be intervening?
should they be intervening? 	should I have intervened?
should you have intervened?
should he have intervened?
should we have intervened?
should you have intervened?
should they have intervened? 	should I have been intervening?
should you have been intervening?
should he have been intervening?
should we have been intervening?
should you have been intervening?
should they have been intervening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I intervene?
shouldn't you intervene?
shouldn't he intervene?
shouldn't we intervene?
shouldn't you intervene?
shouldn't they intervene? 	shouldn't I be intervening?
shouldn't you be intervening?
shouldn't he be intervening?
shouldn't we be intervening?
shouldn't you be intervening?
shouldn't they be intervening? 	shouldn't I have intervened?
shouldn't you have intervened?
shouldn't he have intervened?
shouldn't we have intervened?
shouldn't you have intervened?
shouldn't they have intervened? 	shouldn't I have been intervening?
shouldn't you have been intervening?
shouldn't he have been intervening?
shouldn't we have been intervening?
shouldn't you have been intervening?
shouldn't they have been intervening?