should twit
Verbo regular: twit - twitted- twitted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd twit
you'd twit
he'd twit
we'd twit
you'd twit
they'd twit 	I'd be twitting
you'd be twitting
he'd be twitting
we'd be twitting
you'd be twitting
they'd be twitting	I should've twitted
you should've twitted
he should've twitted
we should've twitted
you should've twitted
they should've twitted	I should've been twitting
you should've been twitting
he should've been twitting
we should've been twitting
you should've been twitting
they should've been twitting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't twit
you shouldn't twit
he shouldn't twit
we shouldn't twit
you shouldn't twit
they shouldn't twit 	I shouldn't be twitting
you shouldn't be twitting
he shouldn't be twitting
we shouldn't be twitting
you shouldn't be twitting
they shouldn't be twitting	I shouldn't have twitted
you shouldn't have twitted
he shouldn't have twitted
we shouldn't have twitted
you shouldn't have twitted
they shouldn't have twitted	I shouldn't have been twitting
you shouldn't have been twitting
he shouldn't have been twitting
we shouldn't have been twitting
you shouldn't have been twitting
they shouldn't have been twitting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I twit?
should you twit?
should he twit?
should we twit?
should you twit?
should they twit? 	should I be twitting?
should you be twitting?
should he be twitting?
should we be twitting?
should you be twitting?
should they be twitting? 	should I have twitted?
should you have twitted?
should he have twitted?
should we have twitted?
should you have twitted?
should they have twitted? 	should I have been twitting?
should you have been twitting?
should he have been twitting?
should we have been twitting?
should you have been twitting?
should they have been twitting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I twit?
shouldn't you twit?
shouldn't he twit?
shouldn't we twit?
shouldn't you twit?
shouldn't they twit? 	shouldn't I be twitting?
shouldn't you be twitting?
shouldn't he be twitting?
shouldn't we be twitting?
shouldn't you be twitting?
shouldn't they be twitting? 	shouldn't I have twitted?
shouldn't you have twitted?
shouldn't he have twitted?
shouldn't we have twitted?
shouldn't you have twitted?
shouldn't they have twitted? 	shouldn't I have been twitting?
shouldn't you have been twitting?
shouldn't he have been twitting?
shouldn't we have been twitting?
shouldn't you have been twitting?
shouldn't they have been twitting?