could mad
Verbo regular: mad - maded- maded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mad
you could mad
he could mad
we could mad
you could mad
they could mad 	I could be mading
you could be mading
he could be mading
we could be mading
you could be mading
they could be mading	I could have maded
you could have maded
he could have maded
we could have maded
you could have maded
they could have maded	I could have been mading
you could have been mading
he could have been mading
we could have been mading
you could have been mading
they could have been mading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't mad
you couldn't mad
he couldn't mad
we couldn't mad
you couldn't mad
they couldn't mad 	I couldn't be mading
you couldn't be mading
he couldn't be mading
we couldn't be mading
you couldn't be mading
they couldn't be mading	I couldn't have maded
you couldn't have maded
he couldn't have maded
we couldn't have maded
you couldn't have maded
they couldn't have maded	I couldn't have been mading
you couldn't have been mading
he couldn't have been mading
we couldn't have been mading
you couldn't have been mading
they couldn't have been mading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mad?
could you mad?
could he mad?
could we mad?
could you mad?
could they mad? 	could I be mading?
could you be mading?
could he be mading?
could we be mading?
could you be mading?
could they be mading? 	could I have maded?
could you have maded?
could he have maded?
could we have maded?
could you have maded?
could they have maded? 	could I have been mading?
could you have been mading?
could he have been mading?
could we have been mading?
could you have been mading?
could they have been mading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I mad?
couldn't you mad?
couldn't he mad?
couldn't we mad?
couldn't you mad?
couldn't they mad? 	couldn't I be mading?
couldn't you be mading?
couldn't he be mading?
couldn't we be mading?
couldn't you be mading?
couldn't they be mading? 	couldn't I have maded?
couldn't you have maded?
couldn't he have maded?
couldn't we have maded?
couldn't you have maded?
couldn't they have maded? 	couldn't I have been mading?
couldn't you have been mading?
couldn't he have been mading?
couldn't we have been mading?
couldn't you have been mading?
couldn't they have been mading?