Conjugação do verbo inglês
COULD WARBLE

Verbo regular: warble - warbled - warbled

Afirmação

Forma simple	Forma com V-ing
I could warble you could warble he could warble we could warble you could warble they could warble	I could be warbling you could be warbling he could be warbling we could be warbling you could be warbling they could be warbling
Perfeito	Perfeito com V-ing
I could have warbled you could have warbled he could have warbled we could have warbled you could have warbled they could have warbled	I could have been warbling you could have been warbling he could have been warbling we could have been warbling you could have been warbling they could have been warbling

Negação

Forma simple	Forma com V-ing
I couldn't warble you couldn't warble he couldn't warble we couldn't warble you couldn't warble they couldn't warble	I couldn't be warbling you couldn't be warbling he couldn't be warbling we couldn't be warbling you couldn't be warbling they couldn't be warbling
Perfeito	Perfeito com V-ing
I couldn't have warbled you couldn't have warbled he couldn't have warbled we couldn't have warbled you couldn't have warbled they couldn't have warbled	I couldn't have been warbling you couldn't have been warbling he couldn't have been warbling we couldn't have been warbling you couldn't have been warbling they couldn't have been warbling

Forma interrogativa

Forma simple	Forma com V-ing
could I warble? could you warble? could he warble? could we warble? could you warble? could they warble?	could I be warbling? could you be warbling? could he be warbling? could we be warbling? could you be warbling? could they be warbling?
Perfeito	Perfeito com V-ing
could I have warbled? could you have warbled? could he have warbled? could we have warbled? could you have warbled? could they have warbled?	could I have been warbling? could you have been warbling? could he have been warbling? could we have been warbling? could you have been warbling? could they have been warbling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I warble? couldn't you warble? couldn't he warble? couldn't we warble? couldn't you warble? couldn't they warble?	couldn't I be warbling? couldn't you be warbling? couldn't he be warbling? couldn't we be warbling? couldn't you be warbling? couldn't they be warbling?
Perfeito	Perfeito com V-ing
couldn't I have warbled? couldn't you have warbled? couldn't he have warbled? couldn't we have warbled? couldn't you have warbled? couldn't they have warbled?	couldn't I have been warbling? couldn't you have been warbling? couldn't he have been warbling? couldn't we have been warbling? couldn't you have been warbling? couldn't they have been warbling?