can turn
Verbo regular: turn - turned- turned

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't turn
you can't turn
she can't turn
we can't turn
you can't turn
they can't turn 	I can't be turning
you can't be turning
she can't be turning
we can't be turning
you can't be turning
they can't be turning	I can't have turned
you can't have turned
she can't have turned
we can't have turned
you can't have turned
they can't have turned	I can't have been turning
you can't have been turning
she can't have been turning
we can't have been turning
you can't have been turning
they can't have been turning	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I turn?
can't you turn?
can't she turn?
can't we turn?
can't you turn?
can't they turn? 	can't I be turning?
can't you be turning?
can't she be turning?
can't we be turning?
can't you be turning?
can't they be turning? 	can't I have turned?
can't you have turned?
can't she have turned?
can't we have turned?
can't you have turned?
can't they have turned? 	can't I have been turning?
can't you have been turning?
can't she have been turning?
can't we have been turning?
can't you have been turning?
can't they have been turning?