Conjugação do verbo inglês
COULD GROWL

Verbo regular: growl - growled - growled

Afirmação

Forma simple	Forma com V-ing
I could growl you could growl she could growl we could growl you could growl they could growl	I could be growling you could be growling she could be growling we could be growling you could be growling they could be growling
Perfeito	Perfeito com V-ing
I could have growled you could have growled she could have growled we could have growled you could have growled they could have growled	I could have been growling you could have been growling she could have been growling we could have been growling you could have been growling they could have been growling

Negação

Forma simple	Forma com V-ing
I couldn't growl you couldn't growl she couldn't growl we couldn't growl you couldn't growl they couldn't growl	I couldn't be growling you couldn't be growling she couldn't be growling we couldn't be growling you couldn't be growling they couldn't be growling
Perfeito	Perfeito com V-ing
I couldn't have growled you couldn't have growled she couldn't have growled we couldn't have growled you couldn't have growled they couldn't have growled	I couldn't have been growling you couldn't have been growling she couldn't have been growling we couldn't have been growling you couldn't have been growling they couldn't have been growling

Forma interrogativa

Forma simple	Forma com V-ing
could I growl? could you growl? could she growl? could we growl? could you growl? could they growl?	could I be growling? could you be growling? could she be growling? could we be growling? could you be growling? could they be growling?
Perfeito	Perfeito com V-ing
could I have growled? could you have growled? could she have growled? could we have growled? could you have growled? could they have growled?	could I have been growling? could you have been growling? could she have been growling? could we have been growling? could you have been growling? could they have been growling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I growl? couldn't you growl? couldn't she growl? couldn't we growl? couldn't you growl? couldn't they growl?	couldn't I be growling? couldn't you be growling? couldn't she be growling? couldn't we be growling? couldn't you be growling? couldn't they be growling?
Perfeito	Perfeito com V-ing
couldn't I have growled? couldn't you have growled? couldn't she have growled? couldn't we have growled? couldn't you have growled? couldn't they have growled?	couldn't I have been growling? couldn't you have been growling? couldn't she have been growling? couldn't we have been growling? couldn't you have been growling? couldn't they have been growling?