could article
Verbo regular: article - articled- articled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could article
you could article
she could article
we could article
you could article
they could article 	I could be articling
you could be articling
she could be articling
we could be articling
you could be articling
they could be articling	I could have articled
you could have articled
she could have articled
we could have articled
you could have articled
they could have articled	I could have been articling
you could have been articling
she could have been articling
we could have been articling
you could have been articling
they could have been articling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't article
you couldn't article
she couldn't article
we couldn't article
you couldn't article
they couldn't article 	I couldn't be articling
you couldn't be articling
she couldn't be articling
we couldn't be articling
you couldn't be articling
they couldn't be articling	I couldn't have articled
you couldn't have articled
she couldn't have articled
we couldn't have articled
you couldn't have articled
they couldn't have articled	I couldn't have been articling
you couldn't have been articling
she couldn't have been articling
we couldn't have been articling
you couldn't have been articling
they couldn't have been articling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I article?
could you article?
could she article?
could we article?
could you article?
could they article? 	could I be articling?
could you be articling?
could she be articling?
could we be articling?
could you be articling?
could they be articling? 	could I have articled?
could you have articled?
could she have articled?
could we have articled?
could you have articled?
could they have articled? 	could I have been articling?
could you have been articling?
could she have been articling?
could we have been articling?
could you have been articling?
could they have been articling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I article?
couldn't you article?
couldn't she article?
couldn't we article?
couldn't you article?
couldn't they article? 	couldn't I be articling?
couldn't you be articling?
couldn't she be articling?
couldn't we be articling?
couldn't you be articling?
couldn't they be articling? 	couldn't I have articled?
couldn't you have articled?
couldn't she have articled?
couldn't we have articled?
couldn't you have articled?
couldn't they have articled? 	couldn't I have been articling?
couldn't you have been articling?
couldn't she have been articling?
couldn't we have been articling?
couldn't you have been articling?
couldn't they have been articling?