Conjugação do verbo inglês
COULD SHIVER

Verbo regular: shiver - shivered - shivered

Afirmação

Forma simple	Forma com V-ing
I could shiver you could shiver she could shiver we could shiver you could shiver they could shiver	I could be shivering you could be shivering she could be shivering we could be shivering you could be shivering they could be shivering
Perfeito	Perfeito com V-ing
I could have shivered you could have shivered she could have shivered we could have shivered you could have shivered they could have shivered	I could have been shivering you could have been shivering she could have been shivering we could have been shivering you could have been shivering they could have been shivering

Negação

Forma simple	Forma com V-ing
I couldn't shiver you couldn't shiver she couldn't shiver we couldn't shiver you couldn't shiver they couldn't shiver	I couldn't be shivering you couldn't be shivering she couldn't be shivering we couldn't be shivering you couldn't be shivering they couldn't be shivering
Perfeito	Perfeito com V-ing
I couldn't have shivered you couldn't have shivered she couldn't have shivered we couldn't have shivered you couldn't have shivered they couldn't have shivered	I couldn't have been shivering you couldn't have been shivering she couldn't have been shivering we couldn't have been shivering you couldn't have been shivering they couldn't have been shivering

Forma interrogativa

Forma simple	Forma com V-ing
could I shiver? could you shiver? could she shiver? could we shiver? could you shiver? could they shiver?	could I be shivering? could you be shivering? could she be shivering? could we be shivering? could you be shivering? could they be shivering?
Perfeito	Perfeito com V-ing
could I have shivered? could you have shivered? could she have shivered? could we have shivered? could you have shivered? could they have shivered?	could I have been shivering? could you have been shivering? could she have been shivering? could we have been shivering? could you have been shivering? could they have been shivering?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I shiver? couldn't you shiver? couldn't she shiver? couldn't we shiver? couldn't you shiver? couldn't they shiver?	couldn't I be shivering? couldn't you be shivering? couldn't she be shivering? couldn't we be shivering? couldn't you be shivering? couldn't they be shivering?
Perfeito	Perfeito com V-ing
couldn't I have shivered? couldn't you have shivered? couldn't she have shivered? couldn't we have shivered? couldn't you have shivered? couldn't they have shivered?	couldn't I have been shivering? couldn't you have been shivering? couldn't she have been shivering? couldn't we have been shivering? couldn't you have been shivering? couldn't they have been shivering?