I could suckle you could suckle he could suckle we could suckle you could suckle they could suckle
Forma com V-ing
I could be suckling you could be suckling he could be suckling we could be suckling you could be suckling they could be suckling
Perfeito
I could have suckled you could have suckled he could have suckled we could have suckled you could have suckled they could have suckled
Perfeito com V-ing
I could have been suckling you could have been suckling he could have been suckling we could have been suckling you could have been suckling they could have been suckling
Negação
Forma simple
I could not suckle you could not suckle he could not suckle we could not suckle you could not suckle they could not suckle
Forma com V-ing
I could not be suckling you could not be suckling he could not be suckling we could not be suckling you could not be suckling they could not be suckling
Perfeito
I could not have suckled you could not have suckled he could not have suckled we could not have suckled you could not have suckled they could not have suckled
Perfeito com V-ing
I could not have been suckling you could not have been suckling he could not have been suckling we could not have been suckling you could not have been suckling they could not have been suckling
Forma interrogativa
Forma simple
could I suckle? could you suckle? could he suckle? could we suckle? could you suckle? could they suckle?
Forma com V-ing
could I be suckling? could you be suckling? could he be suckling? could we be suckling? could you be suckling? could they be suckling?
Perfeito
could I have suckled? could you have suckled? could he have suckled? could we have suckled? could you have suckled? could they have suckled?
Perfeito com V-ing
could I have been suckling? could you have been suckling? could he have been suckling? could we have been suckling? could you have been suckling? could they have been suckling?
Forma interro-Negação
Forma simple
could I not suckle? could you not suckle? could he not suckle? could we not suckle? could you not suckle? could they not suckle?
Forma com V-ing
could I not be suckling? could you not be suckling? could he not be suckling? could we not be suckling? could you not be suckling? could they not be suckling?
Perfeito
could I not have suckled? could you not have suckled? could he not have suckled? could we not have suckled? could you not have suckled? could they not have suckled?
Perfeito com V-ing
could I not have been suckling? could you not have been suckling? could he not have been suckling? could we not have been suckling? could you not have been suckling? could they not have been suckling?