I could decorate you could decorate he could decorate we could decorate you could decorate they could decorate
Forme en V-ing
I could be decorating you could be decorating he could be decorating we could be decorating you could be decorating they could be decorating
Perfect
I could have decorated you could have decorated he could have decorated we could have decorated you could have decorated they could have decorated
Perfect en V-ing
I could have been decorating you could have been decorating he could have been decorating we could have been decorating you could have been decorating they could have been decorating
Négation
Forme simple
I couldn't decorate you couldn't decorate he couldn't decorate we couldn't decorate you couldn't decorate they couldn't decorate
Forme en V-ing
I couldn't be decorating you couldn't be decorating he couldn't be decorating we couldn't be decorating you couldn't be decorating they couldn't be decorating
Perfect
I couldn't have decorated you couldn't have decorated he couldn't have decorated we couldn't have decorated you couldn't have decorated they couldn't have decorated
Perfect en V-ing
I couldn't have been decorating you couldn't have been decorating he couldn't have been decorating we couldn't have been decorating you couldn't have been decorating they couldn't have been decorating
Forme interrogative
Forme simple
could I decorate? could you decorate? could he decorate? could we decorate? could you decorate? could they decorate?
Forme en V-ing
could I be decorating? could you be decorating? could he be decorating? could we be decorating? could you be decorating? could they be decorating?
Perfect
could I have decorated? could you have decorated? could he have decorated? could we have decorated? could you have decorated? could they have decorated?
Perfect en V-ing
could I have been decorating? could you have been decorating? could he have been decorating? could we have been decorating? could you have been decorating? could they have been decorating?
Forme interro-négative
Forme simple
couldn't I decorate? couldn't you decorate? couldn't he decorate? couldn't we decorate? couldn't you decorate? couldn't they decorate?
Forme en V-ing
couldn't I be decorating? couldn't you be decorating? couldn't he be decorating? couldn't we be decorating? couldn't you be decorating? couldn't they be decorating?
Perfect
couldn't I have decorated? couldn't you have decorated? couldn't he have decorated? couldn't we have decorated? couldn't you have decorated? couldn't they have decorated?
Perfect en V-ing
couldn't I have been decorating? couldn't you have been decorating? couldn't he have been decorating? couldn't we have been decorating? couldn't you have been decorating? couldn't they have been decorating?