Conjugação do verbo inglês
COULD SHUDDER

Verbo regular: shudder - shuddered - shuddered

Afirmação

Forma simple	Forma com V-ing
I could shudder you could shudder he could shudder we could shudder you could shudder they could shudder	I could be shuddering you could be shuddering he could be shuddering we could be shuddering you could be shuddering they could be shuddering
Perfeito	Perfeito com V-ing
I could have shuddered you could have shuddered he could have shuddered we could have shuddered you could have shuddered they could have shuddered	I could have been shuddering you could have been shuddering he could have been shuddering we could have been shuddering you could have been shuddering they could have been shuddering

Negação

Forma simple	Forma com V-ing
I couldn't shudder you couldn't shudder he couldn't shudder we couldn't shudder you couldn't shudder they couldn't shudder	I couldn't be shuddering you couldn't be shuddering he couldn't be shuddering we couldn't be shuddering you couldn't be shuddering they couldn't be shuddering
Perfeito	Perfeito com V-ing
I couldn't have shuddered you couldn't have shuddered he couldn't have shuddered we couldn't have shuddered you couldn't have shuddered they couldn't have shuddered	I couldn't have been shuddering you couldn't have been shuddering he couldn't have been shuddering we couldn't have been shuddering you couldn't have been shuddering they couldn't have been shuddering

Forma interrogativa

Forma simple	Forma com V-ing
could I shudder? could you shudder? could he shudder? could we shudder? could you shudder? could they shudder?	could I be shuddering? could you be shuddering? could he be shuddering? could we be shuddering? could you be shuddering? could they be shuddering?
Perfeito	Perfeito com V-ing
could I have shuddered? could you have shuddered? could he have shuddered? could we have shuddered? could you have shuddered? could they have shuddered?	could I have been shuddering? could you have been shuddering? could he have been shuddering? could we have been shuddering? could you have been shuddering? could they have been shuddering?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I shudder? couldn't you shudder? couldn't he shudder? couldn't we shudder? couldn't you shudder? couldn't they shudder?	couldn't I be shuddering? couldn't you be shuddering? couldn't he be shuddering? couldn't we be shuddering? couldn't you be shuddering? couldn't they be shuddering?
Perfeito	Perfeito com V-ing
couldn't I have shuddered? couldn't you have shuddered? couldn't he have shuddered? couldn't we have shuddered? couldn't you have shuddered? couldn't they have shuddered?	couldn't I have been shuddering? couldn't you have been shuddering? couldn't he have been shuddering? couldn't we have been shuddering? couldn't you have been shuddering? couldn't they have been shuddering?