should lock
Verbo regular: lock - locked- locked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd lock
you'd lock
he'd lock
we'd lock
you'd lock
they'd lock 	I'd be locking
you'd be locking
he'd be locking
we'd be locking
you'd be locking
they'd be locking	I should've locked
you should've locked
he should've locked
we should've locked
you should've locked
they should've locked	I should've been locking
you should've been locking
he should've been locking
we should've been locking
you should've been locking
they should've been locking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't lock
you shouldn't lock
he shouldn't lock
we shouldn't lock
you shouldn't lock
they shouldn't lock 	I shouldn't be locking
you shouldn't be locking
he shouldn't be locking
we shouldn't be locking
you shouldn't be locking
they shouldn't be locking	I shouldn't have locked
you shouldn't have locked
he shouldn't have locked
we shouldn't have locked
you shouldn't have locked
they shouldn't have locked	I shouldn't have been locking
you shouldn't have been locking
he shouldn't have been locking
we shouldn't have been locking
you shouldn't have been locking
they shouldn't have been locking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I lock?
should you lock?
should he lock?
should we lock?
should you lock?
should they lock? 	should I be locking?
should you be locking?
should he be locking?
should we be locking?
should you be locking?
should they be locking? 	should I have locked?
should you have locked?
should he have locked?
should we have locked?
should you have locked?
should they have locked? 	should I have been locking?
should you have been locking?
should he have been locking?
should we have been locking?
should you have been locking?
should they have been locking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I lock?
shouldn't you lock?
shouldn't he lock?
shouldn't we lock?
shouldn't you lock?
shouldn't they lock? 	shouldn't I be locking?
shouldn't you be locking?
shouldn't he be locking?
shouldn't we be locking?
shouldn't you be locking?
shouldn't they be locking? 	shouldn't I have locked?
shouldn't you have locked?
shouldn't he have locked?
shouldn't we have locked?
shouldn't you have locked?
shouldn't they have locked? 	shouldn't I have been locking?
shouldn't you have been locking?
shouldn't he have been locking?
shouldn't we have been locking?
shouldn't you have been locking?
shouldn't they have been locking?