Conjugación del verbo inglés
COULD CLACK

Verbo regular: clack - clacked - clacked

Afirmación

Forma simple	Forma con V-ing
I could clack you could clack she could clack we could clack you could clack they could clack	I could be clacking you could be clacking she could be clacking we could be clacking you could be clacking they could be clacking
Perfecto	Perfecto con V-ing
I could have clacked you could have clacked she could have clacked we could have clacked you could have clacked they could have clacked	I could have been clacking you could have been clacking she could have been clacking we could have been clacking you could have been clacking they could have been clacking

Negación

Forma simple	Forma con V-ing
I couldn't clack you couldn't clack she couldn't clack we couldn't clack you couldn't clack they couldn't clack	I couldn't be clacking you couldn't be clacking she couldn't be clacking we couldn't be clacking you couldn't be clacking they couldn't be clacking
Perfecto	Perfecto con V-ing
I couldn't have clacked you couldn't have clacked she couldn't have clacked we couldn't have clacked you couldn't have clacked they couldn't have clacked	I couldn't have been clacking you couldn't have been clacking she couldn't have been clacking we couldn't have been clacking you couldn't have been clacking they couldn't have been clacking

Forma interrogativa

Forma simple	Forma con V-ing
could I clack? could you clack? could she clack? could we clack? could you clack? could they clack?	could I be clacking? could you be clacking? could she be clacking? could we be clacking? could you be clacking? could they be clacking?
Perfecto	Perfecto con V-ing
could I have clacked? could you have clacked? could she have clacked? could we have clacked? could you have clacked? could they have clacked?	could I have been clacking? could you have been clacking? could she have been clacking? could we have been clacking? could you have been clacking? could they have been clacking?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I clack? couldn't you clack? couldn't she clack? couldn't we clack? couldn't you clack? couldn't they clack?	couldn't I be clacking? couldn't you be clacking? couldn't she be clacking? couldn't we be clacking? couldn't you be clacking? couldn't they be clacking?
Perfecto	Perfecto con V-ing
couldn't I have clacked? couldn't you have clacked? couldn't she have clacked? couldn't we have clacked? couldn't you have clacked? couldn't they have clacked?	couldn't I have been clacking? couldn't you have been clacking? couldn't she have been clacking? couldn't we have been clacking? couldn't you have been clacking? couldn't they have been clacking?