could label
Verbo regular: label - labelled- labelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could label
you could label
he could label
we could label
you could label
they could label 	I could be labelling
you could be labelling
he could be labelling
we could be labelling
you could be labelling
they could be labelling	I could have labelled
you could have labelled
he could have labelled
we could have labelled
you could have labelled
they could have labelled	I could have been labelling
you could have been labelling
he could have been labelling
we could have been labelling
you could have been labelling
they could have been labelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't label
you couldn't label
he couldn't label
we couldn't label
you couldn't label
they couldn't label 	I couldn't be labelling
you couldn't be labelling
he couldn't be labelling
we couldn't be labelling
you couldn't be labelling
they couldn't be labelling	I couldn't have labelled
you couldn't have labelled
he couldn't have labelled
we couldn't have labelled
you couldn't have labelled
they couldn't have labelled	I couldn't have been labelling
you couldn't have been labelling
he couldn't have been labelling
we couldn't have been labelling
you couldn't have been labelling
they couldn't have been labelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I label?
could you label?
could he label?
could we label?
could you label?
could they label? 	could I be labelling?
could you be labelling?
could he be labelling?
could we be labelling?
could you be labelling?
could they be labelling? 	could I have labelled?
could you have labelled?
could he have labelled?
could we have labelled?
could you have labelled?
could they have labelled? 	could I have been labelling?
could you have been labelling?
could he have been labelling?
could we have been labelling?
could you have been labelling?
could they have been labelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I label?
couldn't you label?
couldn't he label?
couldn't we label?
couldn't you label?
couldn't they label? 	couldn't I be labelling?
couldn't you be labelling?
couldn't he be labelling?
couldn't we be labelling?
couldn't you be labelling?
couldn't they be labelling? 	couldn't I have labelled?
couldn't you have labelled?
couldn't he have labelled?
couldn't we have labelled?
couldn't you have labelled?
couldn't they have labelled? 	couldn't I have been labelling?
couldn't you have been labelling?
couldn't he have been labelling?
couldn't we have been labelling?
couldn't you have been labelling?
couldn't they have been labelling?