Conjugação do verbo inglês
COULD NOD

Verbo regular: nod - nodded - nodded

Afirmação

Forma simple	Forma com V-ing
I could nod you could nod she could nod we could nod you could nod they could nod	I could be nodding you could be nodding she could be nodding we could be nodding you could be nodding they could be nodding
Perfeito	Perfeito com V-ing
I could have nodded you could have nodded she could have nodded we could have nodded you could have nodded they could have nodded	I could have been nodding you could have been nodding she could have been nodding we could have been nodding you could have been nodding they could have been nodding

Negação

Forma simple	Forma com V-ing
I could not nod you could not nod she could not nod we could not nod you could not nod they could not nod	I could not be nodding you could not be nodding she could not be nodding we could not be nodding you could not be nodding they could not be nodding
Perfeito	Perfeito com V-ing
I could not have nodded you could not have nodded she could not have nodded we could not have nodded you could not have nodded they could not have nodded	I could not have been nodding you could not have been nodding she could not have been nodding we could not have been nodding you could not have been nodding they could not have been nodding

Forma interrogativa

Forma simple	Forma com V-ing
could I nod? could you nod? could she nod? could we nod? could you nod? could they nod?	could I be nodding? could you be nodding? could she be nodding? could we be nodding? could you be nodding? could they be nodding?
Perfeito	Perfeito com V-ing
could I have nodded? could you have nodded? could she have nodded? could we have nodded? could you have nodded? could they have nodded?	could I have been nodding? could you have been nodding? could she have been nodding? could we have been nodding? could you have been nodding? could they have been nodding?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not nod? could you not nod? could she not nod? could we not nod? could you not nod? could they not nod?	could I not be nodding? could you not be nodding? could she not be nodding? could we not be nodding? could you not be nodding? could they not be nodding?
Perfeito	Perfeito com V-ing
could I not have nodded? could you not have nodded? could she not have nodded? could we not have nodded? could you not have nodded? could they not have nodded?	could I not have been nodding? could you not have been nodding? could she not have been nodding? could we not have been nodding? could you not have been nodding? could they not have been nodding?