could carpet
Verbo regular: carpet - carpeted- carpeted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could carpet
you could carpet
he could carpet
we could carpet
you could carpet
they could carpet 	I could be carpeting
you could be carpeting
he could be carpeting
we could be carpeting
you could be carpeting
they could be carpeting	I could have carpeted
you could have carpeted
he could have carpeted
we could have carpeted
you could have carpeted
they could have carpeted	I could have been carpeting
you could have been carpeting
he could have been carpeting
we could have been carpeting
you could have been carpeting
they could have been carpeting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't carpet
you couldn't carpet
he couldn't carpet
we couldn't carpet
you couldn't carpet
they couldn't carpet 	I couldn't be carpeting
you couldn't be carpeting
he couldn't be carpeting
we couldn't be carpeting
you couldn't be carpeting
they couldn't be carpeting	I couldn't have carpeted
you couldn't have carpeted
he couldn't have carpeted
we couldn't have carpeted
you couldn't have carpeted
they couldn't have carpeted	I couldn't have been carpeting
you couldn't have been carpeting
he couldn't have been carpeting
we couldn't have been carpeting
you couldn't have been carpeting
they couldn't have been carpeting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I carpet?
could you carpet?
could he carpet?
could we carpet?
could you carpet?
could they carpet? 	could I be carpeting?
could you be carpeting?
could he be carpeting?
could we be carpeting?
could you be carpeting?
could they be carpeting? 	could I have carpeted?
could you have carpeted?
could he have carpeted?
could we have carpeted?
could you have carpeted?
could they have carpeted? 	could I have been carpeting?
could you have been carpeting?
could he have been carpeting?
could we have been carpeting?
could you have been carpeting?
could they have been carpeting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I carpet?
couldn't you carpet?
couldn't he carpet?
couldn't we carpet?
couldn't you carpet?
couldn't they carpet? 	couldn't I be carpeting?
couldn't you be carpeting?
couldn't he be carpeting?
couldn't we be carpeting?
couldn't you be carpeting?
couldn't they be carpeting? 	couldn't I have carpeted?
couldn't you have carpeted?
couldn't he have carpeted?
couldn't we have carpeted?
couldn't you have carpeted?
couldn't they have carpeted? 	couldn't I have been carpeting?
couldn't you have been carpeting?
couldn't he have been carpeting?
couldn't we have been carpeting?
couldn't you have been carpeting?
couldn't they have been carpeting?