Conjugação do verbo inglês
COULD BACKFLIP

Verbo regular: backflip - backfliped - backfliped

Afirmação

Forma simple	Forma com V-ing
I could backflip you could backflip he could backflip we could backflip you could backflip they could backflip	I could be backfliping you could be backfliping he could be backfliping we could be backfliping you could be backfliping they could be backfliping
Perfeito	Perfeito com V-ing
I could have backfliped you could have backfliped he could have backfliped we could have backfliped you could have backfliped they could have backfliped	I could have been backfliping you could have been backfliping he could have been backfliping we could have been backfliping you could have been backfliping they could have been backfliping

Negação

Forma simple	Forma com V-ing
I could not backflip you could not backflip he could not backflip we could not backflip you could not backflip they could not backflip	I could not be backfliping you could not be backfliping he could not be backfliping we could not be backfliping you could not be backfliping they could not be backfliping
Perfeito	Perfeito com V-ing
I could not have backfliped you could not have backfliped he could not have backfliped we could not have backfliped you could not have backfliped they could not have backfliped	I could not have been backfliping you could not have been backfliping he could not have been backfliping we could not have been backfliping you could not have been backfliping they could not have been backfliping

Forma interrogativa

Forma simple	Forma com V-ing
could I backflip? could you backflip? could he backflip? could we backflip? could you backflip? could they backflip?	could I be backfliping? could you be backfliping? could he be backfliping? could we be backfliping? could you be backfliping? could they be backfliping?
Perfeito	Perfeito com V-ing
could I have backfliped? could you have backfliped? could he have backfliped? could we have backfliped? could you have backfliped? could they have backfliped?	could I have been backfliping? could you have been backfliping? could he have been backfliping? could we have been backfliping? could you have been backfliping? could they have been backfliping?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not backflip? could you not backflip? could he not backflip? could we not backflip? could you not backflip? could they not backflip?	could I not be backfliping? could you not be backfliping? could he not be backfliping? could we not be backfliping? could you not be backfliping? could they not be backfliping?
Perfeito	Perfeito com V-ing
could I not have backfliped? could you not have backfliped? could he not have backfliped? could we not have backfliped? could you not have backfliped? could they not have backfliped?	could I not have been backfliping? could you not have been backfliping? could he not have been backfliping? could we not have been backfliping? could you not have been backfliping? could they not have been backfliping?