should lock
Verbo regular: lock - locked- locked

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not lock
you should not lock
he should not lock
we should not lock
you should not lock
they should not lock 	I should not be locking
you should not be locking
he should not be locking
we should not be locking
you should not be locking
they should not be locking	I should not have locked
you should not have locked
he should not have locked
we should not have locked
you should not have locked
they should not have locked	I should not have been locking
you should not have been locking
he should not have been locking
we should not have been locking
you should not have been locking
they should not 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 	
should I not lock?
should you not lock?
should he not lock?
should we not lock?
should you not lock?
should they not lock? 	should I not be locking?
should you not be locking?
should he not be locking?
should we not be locking?
should you not be locking?
should they not be locking? 	should I not have locked?
should you not have locked?
should he not have locked?
should we not have locked?
should you not have locked?
should they not have locked? 	should I not have been locking?
should you not have been locking?
should he not have been locking?
should we not have been locking?
should you not have been locking?
should they not have been locking?