Conjugación del verbo inglés
COULD LAUGH

Verbo regular: laugh - laughed - laughed

Afirmación

Forma simple	Forma con V-ing
I could laugh you could laugh she could laugh we could laugh you could laugh they could laugh	I could be laughing you could be laughing she could be laughing we could be laughing you could be laughing they could be laughing
Perfecto	Perfecto con V-ing
I could have laughed you could have laughed she 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 she could have been laughing we could have been laughing you could have been laughing they could have been laughing

Negación

Forma simple	Forma con V-ing
I couldn't laugh you couldn't laugh she couldn't laugh we couldn't laugh you couldn't laugh they couldn't laugh	I couldn't be laughing you couldn't be laughing she couldn't be laughing we couldn't be laughing you couldn't be laughing they couldn't be laughing
Perfecto	Perfecto con V-ing
I couldn't have laughed you couldn't have laughed she couldn't have laughed we couldn't have laughed you couldn't have laughed they couldn't have laughed	I couldn't have been laughing you couldn't have been laughing she couldn't have been laughing we couldn't have been laughing you couldn't have been laughing they couldn't have been laughing

Forma interrogativa

Forma simple	Forma con V-ing
could I laugh? could you laugh? could she laugh? could we laugh? could you laugh? could they laugh?	could I be laughing? could you be laughing? could she be laughing? could we be laughing? could you be laughing? could they be laughing?
Perfecto	Perfecto con V-ing
could I have laughed? could you have laughed? could she 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 she have been laughing? could we have been laughing? could you have been laughing? could they have been laughing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I laugh? couldn't you laugh? couldn't she laugh? couldn't we laugh? couldn't you laugh? couldn't they laugh?	couldn't I be laughing? couldn't you be laughing? couldn't she be laughing? couldn't we be laughing? couldn't you be laughing? couldn't they be laughing?
Perfecto	Perfecto con V-ing
couldn't I have laughed? couldn't you have laughed? couldn't she have laughed? couldn't we have laughed? couldn't you have laughed? couldn't they have laughed?	couldn't I have been laughing? couldn't you have been laughing? couldn't she have been laughing? couldn't we have been laughing? couldn't you have been laughing? couldn't they have been laughing?