should backcheck
Verbo regular: backcheck - backchecked- backchecked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd backcheck
you'd backcheck
he'd backcheck
we'd backcheck
you'd backcheck
they'd backcheck 	I'd be backchecking
you'd be backchecking
he'd be backchecking
we'd be backchecking
you'd be backchecking
they'd be backchecking	I should've backchecked
you should've backchecked
he should've backchecked
we should've backchecked
you should've backchecked
they should've backchecked	I should've been backchecking
you should've been backchecking
he should've been backchecking
we should've been backchecking
you should've been backchecking
they should've been backchecking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't backcheck
you shouldn't backcheck
he shouldn't backcheck
we shouldn't backcheck
you shouldn't backcheck
they shouldn't backcheck 	I shouldn't be backchecking
you shouldn't be backchecking
he shouldn't be backchecking
we shouldn't be backchecking
you shouldn't be backchecking
they shouldn't be backchecking	I shouldn't have backchecked
you shouldn't have backchecked
he shouldn't have backchecked
we shouldn't have backchecked
you shouldn't have backchecked
they shouldn't have backchecked	I shouldn't have been backchecking
you shouldn't have been backchecking
he shouldn't have been backchecking
we shouldn't have been backchecking
you shouldn't have been backchecking
they shouldn't have been backchecking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I backcheck?
should you backcheck?
should he backcheck?
should we backcheck?
should you backcheck?
should they backcheck? 	should I be backchecking?
should you be backchecking?
should he be backchecking?
should we be backchecking?
should you be backchecking?
should they be backchecking? 	should I have backchecked?
should you have backchecked?
should he have backchecked?
should we have backchecked?
should you have backchecked?
should they have backchecked? 	should I have been backchecking?
should you have been backchecking?
should he have been backchecking?
should we have been backchecking?
should you have been backchecking?
should they have been backchecking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I backcheck?
shouldn't you backcheck?
shouldn't he backcheck?
shouldn't we backcheck?
shouldn't you backcheck?
shouldn't they backcheck? 	shouldn't I be backchecking?
shouldn't you be backchecking?
shouldn't he be backchecking?
shouldn't we be backchecking?
shouldn't you be backchecking?
shouldn't they be backchecking? 	shouldn't I have backchecked?
shouldn't you have backchecked?
shouldn't he have backchecked?
shouldn't we have backchecked?
shouldn't you have backchecked?
shouldn't they have backchecked? 	shouldn't I have been backchecking?
shouldn't you have been backchecking?
shouldn't he have been backchecking?
shouldn't we have been backchecking?
shouldn't you have been backchecking?
shouldn't they have been backchecking?