Conjugação do verbo inglês
COULD SLIPPER

Verbo regular: slipper - slippered - slippered

Afirmação

Forma simple	Forma com V-ing
I could slipper you could slipper she could slipper we could slipper you could slipper they could slipper	I could be slippering you could be slippering she could be slippering we could be slippering you could be slippering they could be slippering
Perfeito	Perfeito com V-ing
I could have slippered you could have slippered she could have slippered we could have slippered you could have slippered they could have slippered	I could have been slippering you could have been slippering she could have been slippering we could have been slippering you could have been slippering they could have been slippering

Negação

Forma simple	Forma com V-ing
I could not slipper you could not slipper she could not slipper we could not slipper you could not slipper they could not slipper	I could not be slippering you could not be slippering she could not be slippering we could not be slippering you could not be slippering they could not be slippering
Perfeito	Perfeito com V-ing
I could not have slippered you could not have slippered she could not have slippered we could not have slippered you could not have slippered they could not have slippered	I could not have been slippering you could not have been slippering she could not have been slippering we could not have been slippering you could not have been slippering they could not have been slippering

Forma interrogativa

Forma simple	Forma com V-ing
could I slipper? could you slipper? could she slipper? could we slipper? could you slipper? could they slipper?	could I be slippering? could you be slippering? could she be slippering? could we be slippering? could you be slippering? could they be slippering?
Perfeito	Perfeito com V-ing
could I have slippered? could you have slippered? could she have slippered? could we have slippered? could you have slippered? could they have slippered?	could I have been slippering? could you have been slippering? could she have been slippering? could we have been slippering? could you have been slippering? could they have been slippering?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not slipper? could you not slipper? could she not slipper? could we not slipper? could you not slipper? could they not slipper?	could I not be slippering? could you not be slippering? could she not be slippering? could we not be slippering? could you not be slippering? could they not be slippering?
Perfeito	Perfeito com V-ing
could I not have slippered? could you not have slippered? could she not have slippered? could we not have slippered? could you not have slippered? could they not have slippered?	could I not have been slippering? could you not have been slippering? could she not have been slippering? could we not have been slippering? could you not have been slippering? could they not have been slippering?