should invent
Verbo regular: invent - invented- invented

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd invent
you'd invent
he'd invent
we'd invent
you'd invent
they'd invent 	I'd be inventing
you'd be inventing
he'd be inventing
we'd be inventing
you'd be inventing
they'd be inventing	I should've invented
you should've invented
he should've invented
we should've invented
you should've invented
they should've invented	I should've been inventing
you should've been inventing
he should've been inventing
we should've been inventing
you should've been inventing
they should've been inventing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't invent
you shouldn't invent
he shouldn't invent
we shouldn't invent
you shouldn't invent
they shouldn't invent 	I shouldn't be inventing
you shouldn't be inventing
he shouldn't be inventing
we shouldn't be inventing
you shouldn't be inventing
they shouldn't be inventing	I shouldn't have invented
you shouldn't have invented
he shouldn't have invented
we shouldn't have invented
you shouldn't have invented
they shouldn't have invented	I shouldn't have been inventing
you shouldn't have been inventing
he shouldn't have been inventing
we shouldn't have been inventing
you shouldn't have been inventing
they shouldn't have been inventing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I invent?
should you invent?
should he invent?
should we invent?
should you invent?
should they invent? 	should I be inventing?
should you be inventing?
should he be inventing?
should we be inventing?
should you be inventing?
should they be inventing? 	should I have invented?
should you have invented?
should he have invented?
should we have invented?
should you have invented?
should they have invented? 	should I have been inventing?
should you have been inventing?
should he have been inventing?
should we have been inventing?
should you have been inventing?
should they have been inventing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I invent?
shouldn't you invent?
shouldn't he invent?
shouldn't we invent?
shouldn't you invent?
shouldn't they invent? 	shouldn't I be inventing?
shouldn't you be inventing?
shouldn't he be inventing?
shouldn't we be inventing?
shouldn't you be inventing?
shouldn't they be inventing? 	shouldn't I have invented?
shouldn't you have invented?
shouldn't he have invented?
shouldn't we have invented?
shouldn't you have invented?
shouldn't they have invented? 	shouldn't I have been inventing?
shouldn't you have been inventing?
shouldn't he have been inventing?
shouldn't we have been inventing?
shouldn't you have been inventing?
shouldn't they have been inventing?