could code
Verbo regular: code - coded- coded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could code
you could code
he could code
we could code
you could code
they could code 	I could be coding
you could be coding
he could be coding
we could be coding
you could be coding
they could be coding	I could have coded
you could have coded
he could have coded
we could have coded
you could have coded
they could have coded	I could have been coding
you could have been coding
he could have been coding
we could have been coding
you could have been coding
they could have been coding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not code
you could not code
he could not code
we could not code
you could not code
they could not code 	I could not be coding
you could not be coding
he could not be coding
we could not be coding
you could not be coding
they could not be coding	I could not have coded
you could not have coded
he could not have coded
we could not have coded
you could not have coded
they could not have coded	I could not have been coding
you could not have been coding
he could not have been coding
we could not have been coding
you could not have been coding
they could not have been coding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I code?
could you code?
could he code?
could we code?
could you code?
could they code? 	could I be coding?
could you be coding?
could he be coding?
could we be coding?
could you be coding?
could they be coding? 	could I have coded?
could you have coded?
could he have coded?
could we have coded?
could you have coded?
could they have coded? 	could I have been coding?
could you have been coding?
could he have been coding?
could we have been coding?
could you have been coding?
could they have been coding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not code?
could you not code?
could he not code?
could we not code?
could you not code?
could they not code? 	could I not be coding?
could you not be coding?
could he not be coding?
could we not be coding?
could you not be coding?
could they not be coding? 	could I not have coded?
could you not have coded?
could he not have coded?
could we not have coded?
could you not have coded?
could they not have coded? 	could I not have been coding?
could you not have been coding?
could he not have been coding?
could we not have been coding?
could you not have been coding?
could they not have been coding?