Conjugação do verbo inglês
COULD LAUGH

Verbo regular: laugh - laughed - laughed

Afirmação

Forma simple	Forma com V-ing
I could laugh you could laugh he could laugh we could laugh you could laugh they could laugh	I could be laughing you could be laughing he could be laughing we could be laughing you could be laughing they could be laughing
Perfeito	Perfeito com V-ing
I could have laughed you could have laughed he could have laughed we could have laughed you could have laughed they could have laughed	I could have been laughing you could have been laughing he could have been laughing we could have been laughing you could have been laughing they could have been laughing

Negação

Forma simple	Forma com V-ing
I could not laugh you could not laugh he could not laugh we could not laugh you could not laugh they could not laugh	I could not be laughing you could not be laughing he could not be laughing we could not be laughing you could not be laughing they could not be laughing
Perfeito	Perfeito com V-ing
I could not have laughed you could not have laughed he could not have laughed we could not have laughed you could not have laughed they could not have laughed	I could not have been laughing you could not have been laughing he could not have been laughing we could not have been laughing you could not have been laughing they could not have been laughing

Forma interrogativa

Forma simple	Forma com V-ing
could I laugh? could you laugh? could he laugh? could we laugh? could you laugh? could they laugh?	could I be laughing? could you be laughing? could he be laughing? could we be laughing? could you be laughing? could they be laughing?
Perfeito	Perfeito com V-ing
could I have laughed? could you have laughed? could he have laughed? could we have laughed? could you have laughed? could they have laughed?	could I have been laughing? could you have been laughing? could he have been laughing? could we have been laughing? could you have been laughing? could they have been laughing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not laugh? could you not laugh? could he not laugh? could we not laugh? could you not laugh? could they not laugh?	could I not be laughing? could you not be laughing? could he not be laughing? could we not be laughing? could you not be laughing? could they not be laughing?
Perfeito	Perfeito com V-ing
could I not have laughed? could you not have laughed? could he not have laughed? could we not have laughed? could you not have laughed? could they not have laughed?	could I not have been laughing? could you not have been laughing? could he not have been laughing? could we not have been laughing? could you not have been laughing? could they not have been laughing?