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