Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could expand sth you could expand sth he could expand sth we could expand sth you could expand sth they could expand sth
Forme en V-ing
I could be expand sthing you could be expand sthing he could be expand sthing we could be expand sthing you could be expand sthing they could be expand sthing
Perfect
I could have expand sthed you could have expand sthed he could have expand sthed we could have expand sthed you could have expand sthed they could have expand sthed
Perfect en V-ing
I could have been expand sthing you could have been expand sthing he could have been expand sthing we could have been expand sthing you could have been expand sthing they could have been expand sthing
Négation
Forme simple
I couldn't expand sth you couldn't expand sth he couldn't expand sth we couldn't expand sth you couldn't expand sth they couldn't expand sth
Forme en V-ing
I couldn't be expand sthing you couldn't be expand sthing he couldn't be expand sthing we couldn't be expand sthing you couldn't be expand sthing they couldn't be expand sthing
Perfect
I couldn't have expand sthed you couldn't have expand sthed he couldn't have expand sthed we couldn't have expand sthed you couldn't have expand sthed they couldn't have expand sthed
Perfect en V-ing
I couldn't have been expand sthing you couldn't have been expand sthing he couldn't have been expand sthing we couldn't have been expand sthing you couldn't have been expand sthing they couldn't have been expand sthing
Forme interrogative
Forme simple
could I expand sth? could you expand sth? could he expand sth? could we expand sth? could you expand sth? could they expand sth?
Forme en V-ing
could I be expand sthing? could you be expand sthing? could he be expand sthing? could we be expand sthing? could you be expand sthing? could they be expand sthing?
Perfect
could I have expand sthed? could you have expand sthed? could he have expand sthed? could we have expand sthed? could you have expand sthed? could they have expand sthed?
Perfect en V-ing
could I have been expand sthing? could you have been expand sthing? could he have been expand sthing? could we have been expand sthing? could you have been expand sthing? could they have been expand sthing?
Forme interro-négative
Forme simple
couldn't I expand sth? couldn't you expand sth? couldn't he expand sth? couldn't we expand sth? couldn't you expand sth? couldn't they expand sth?
Forme en V-ing
couldn't I be expand sthing? couldn't you be expand sthing? couldn't he be expand sthing? couldn't we be expand sthing? couldn't you be expand sthing? couldn't they be expand sthing?
Perfect
couldn't I have expand sthed? couldn't you have expand sthed? couldn't he have expand sthed? couldn't we have expand sthed? couldn't you have expand sthed? couldn't they have expand sthed?
Perfect en V-ing
couldn't I have been expand sthing? couldn't you have been expand sthing? couldn't he have been expand sthing? couldn't we have been expand sthing? couldn't you have been expand sthing? couldn't they have been expand sthing?