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