Conjugação do verbo inglês
COULD CREAK

Verbo regular: creak - creaked - creaked

Afirmação

Forma simple	Forma com V-ing
I could creak you could creak he could creak we could creak you could creak they could creak	I could be creaking you could be creaking he could be creaking we could be creaking you could be creaking they could be creaking
Perfeito	Perfeito com V-ing
I could have creaked you could have creaked he could have creaked we could have creaked you could have creaked they could have creaked	I could have been creaking you could have been creaking he could have been creaking we could have been creaking you could have been creaking they could have been creaking

Negação

Forma simple	Forma com V-ing
I couldn't creak you couldn't creak he couldn't creak we couldn't creak you couldn't creak they couldn't creak	I couldn't be creaking you couldn't be creaking he couldn't be creaking we couldn't be creaking you couldn't be creaking they couldn't be creaking
Perfeito	Perfeito com V-ing
I couldn't have creaked you couldn't have creaked he couldn't have creaked we couldn't have creaked you couldn't have creaked they couldn't have creaked	I couldn't have been creaking you couldn't have been creaking he couldn't have been creaking we couldn't have been creaking you couldn't have been creaking they couldn't have been creaking

Forma interrogativa

Forma simple	Forma com V-ing
could I creak? could you creak? could he creak? could we creak? could you creak? could they creak?	could I be creaking? could you be creaking? could he be creaking? could we be creaking? could you be creaking? could they be creaking?
Perfeito	Perfeito com V-ing
could I have creaked? could you have creaked? could he have creaked? could we have creaked? could you have creaked? could they have creaked?	could I have been creaking? could you have been creaking? could he have been creaking? could we have been creaking? could you have been creaking? could they have been creaking?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I creak? couldn't you creak? couldn't he creak? couldn't we creak? couldn't you creak? couldn't they creak?	couldn't I be creaking? couldn't you be creaking? couldn't he be creaking? couldn't we be creaking? couldn't you be creaking? couldn't they be creaking?
Perfeito	Perfeito com V-ing
couldn't I have creaked? couldn't you have creaked? couldn't he have creaked? couldn't we have creaked? couldn't you have creaked? couldn't they have creaked?	couldn't I have been creaking? couldn't you have been creaking? couldn't he have been creaking? couldn't we have been creaking? couldn't you have been creaking? couldn't they have been creaking?