Conjugação do verbo inglês
COULD DUST

Verbo regular: dust - dusted - dusted

Afirmação

Forma simple	Forma com V-ing
I could dust you could dust he could dust we could dust you could dust they could dust	I could be dusting you could be dusting he could be dusting we could be dusting you could be dusting they could be dusting
Perfeito	Perfeito com V-ing
I could have dusted you could have dusted he could have dusted we could have dusted you could have dusted they could have dusted	I could have been dusting you could have been dusting he could have been dusting we could have been dusting you could have been dusting they could have been dusting

Negação

Forma simple	Forma com V-ing
I couldn't dust you couldn't dust he couldn't dust we couldn't dust you couldn't dust they couldn't dust	I couldn't be dusting you couldn't be dusting he couldn't be dusting we couldn't be dusting you couldn't be dusting they couldn't be dusting
Perfeito	Perfeito com V-ing
I couldn't have dusted you couldn't have dusted he couldn't have dusted we couldn't have dusted you couldn't have dusted they couldn't have dusted	I couldn't have been dusting you couldn't have been dusting he couldn't have been dusting we couldn't have been dusting you couldn't have been dusting they couldn't have been dusting

Forma interrogativa

Forma simple	Forma com V-ing
could I dust? could you dust? could he dust? could we dust? could you dust? could they dust?	could I be dusting? could you be dusting? could he be dusting? could we be dusting? could you be dusting? could they be dusting?
Perfeito	Perfeito com V-ing
could I have dusted? could you have dusted? could he have dusted? could we have dusted? could you have dusted? could they have dusted?	could I have been dusting? could you have been dusting? could he have been dusting? could we have been dusting? could you have been dusting? could they have been dusting?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I dust? couldn't you dust? couldn't he dust? couldn't we dust? couldn't you dust? couldn't they dust?	couldn't I be dusting? couldn't you be dusting? couldn't he be dusting? couldn't we be dusting? couldn't you be dusting? couldn't they be dusting?
Perfeito	Perfeito com V-ing
couldn't I have dusted? couldn't you have dusted? couldn't he have dusted? couldn't we have dusted? couldn't you have dusted? couldn't they have dusted?	couldn't I have been dusting? couldn't you have been dusting? couldn't he have been dusting? couldn't we have been dusting? couldn't you have been dusting? couldn't they have been dusting?