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