Conjugaison du verbe anglais
COULD CLACK

Verbe régulier : clack - clacked - clacked

Affirmation

Forme simple	Forme en V-ing
I could clack you could clack he could clack we could clack you could clack they could clack	I could be clacking you could be clacking he could be clacking we could be clacking you could be clacking they could be clacking
Perfect	Perfect en V-ing
I could have clacked you could have clacked he 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 he could have been clacking we could have been clacking you could have been clacking they could have been clacking

Négation

Forme simple	Forme en V-ing
I couldn't clack you couldn't clack he 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 he couldn't be clacking we couldn't be clacking you couldn't be clacking they couldn't be clacking
Perfect	Perfect en V-ing
I couldn't have clacked you couldn't have clacked he 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 he couldn't have been clacking we couldn't have been clacking you couldn't have been clacking they couldn't have been clacking

Forme interrogative

Forme simple	Forme en V-ing
could I clack? could you clack? could he clack? could we clack? could you clack? could they clack?	could I be clacking? could you be clacking? could he be clacking? could we be clacking? could you be clacking? could they be clacking?
Perfect	Perfect en V-ing
could I have clacked? could you have clacked? could he 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 he have been clacking? could we have been clacking? could you have been clacking? could they have been clacking?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I clack? couldn't you clack? couldn't he 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 he be clacking? couldn't we be clacking? couldn't you be clacking? couldn't they be clacking?
Perfect	Perfect en V-ing
couldn't I have clacked? couldn't you have clacked? couldn't he 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 he have been clacking? couldn't we have been clacking? couldn't you have been clacking? couldn't they have been clacking?