can turn
Verbo regolare: turn - turned- turned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can turn
you can turn
he can turn
we can turn
you can turn
they can turn 	I can be turning
you can be turning
he can be turning
we can be turning
you can be turning
they can be turning	I can have turned
you can have turned
he 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
he can have been turning
we can have been turning
you can have been turning
they can have been turning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot turn
you cannot turn
he cannot turn
we cannot turn
you cannot turn
they cannot turn 	I cannot be turning
you cannot be turning
he cannot be turning
we cannot be turning
you cannot be turning
they cannot be turning	I cannot have turned
you cannot have turned
he cannot have turned
we cannot have turned
you cannot have turned
they cannot have turned	I cannot have been turning
you cannot have been turning
he cannot have been turning
we cannot have been turning
you cannot have been turning
they cannot have been turning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I turn?
can you turn?
can he turn?
can we turn?
can you turn?
can they turn? 	can I be turning?
can you be turning?
can he be turning?
can we be turning?
can you be turning?
can they be turning? 	can I have turned?
can you have turned?
can he 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 he have been turning?
can we have been turning?
can you have been turning?
can they have been turning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not turn?
can you not turn?
can he not turn?
can we not turn?
can you not turn?
can they not turn? 	can I not be turning?
can you not be turning?
can he not be turning?
can we not be turning?
can you not be turning?
can they not be turning? 	can I not have turned?
can you not have turned?
can he not have turned?
can we not have turned?
can you not have turned?
can they not have turned? 	can I not have been turning?
can you not have been turning?
can he not have been turning?
can we not have been turning?
can you not have been turning?
can they not have been turning?