should turn
Verbo regular: turn - turned- turned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should turn
you should turn
he should turn
we should turn
you should turn
they should turn 	I should be turning
you should be turning
he should be turning
we should be turning
you should be turning
they should be turning	I should have turned
you should have turned
he should have turned
we should have turned
you should have turned
they should have turned	I should have been turning
you should have been turning
he should have been turning
we should have been turning
you should have been turning
they should have been turning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not turn
you should not turn
he should not turn
we should not turn
you should not turn
they should not turn 	I should not be turning
you should not be turning
he should not be turning
we should not be turning
you should not be turning
they should not be turning	I should not have turned
you should not have turned
he should not have turned
we should not have turned
you should not have turned
they should not have turned	I should not have been turning
you should not have been turning
he should not have been turning
we should not have been turning
you should not have been turning
they should not have been turning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I turn?
should you turn?
should he turn?
should we turn?
should you turn?
should they turn? 	should I be turning?
should you be turning?
should he be turning?
should we be turning?
should you be turning?
should they be turning? 	should I have turned?
should you have turned?
should he have turned?
should we have turned?
should you have turned?
should they have turned? 	should I have been turning?
should you have been turning?
should he have been turning?
should we have been turning?
should you have been turning?
should they have been turning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not turn?
should you not turn?
should he not turn?
should we not turn?
should you not turn?
should they not turn? 	should I not be turning?
should you not be turning?
should he not be turning?
should we not be turning?
should you not be turning?
should they not be turning? 	should I not have turned?
should you not have turned?
should he not have turned?
should we not have turned?
should you not have turned?
should they not have turned? 	should I not have been turning?
should you not have been turning?
should he not have been turning?
should we not have been turning?
should you not have been turning?
should they not have been turning?