I can leaven you can leaven he can leaven we can leaven you can leaven they can leaven
Forme en V-ing
I can be leavening you can be leavening he can be leavening we can be leavening you can be leavening they can be leavening
Perfect
I can have leavened you can have leavened he can have leavened we can have leavened you can have leavened they can have leavened
Perfect en V-ing
I can have been leavening you can have been leavening he can have been leavening we can have been leavening you can have been leavening they can have been leavening
Négation
Forme simple
I cannot leaven you cannot leaven he cannot leaven we cannot leaven you cannot leaven they cannot leaven
Forme en V-ing
I cannot be leavening you cannot be leavening he cannot be leavening we cannot be leavening you cannot be leavening they cannot be leavening
Perfect
I cannot have leavened you cannot have leavened he cannot have leavened we cannot have leavened you cannot have leavened they cannot have leavened
Perfect en V-ing
I cannot have been leavening you cannot have been leavening he cannot have been leavening we cannot have been leavening you cannot have been leavening they cannot have been leavening
Forme interrogative
Forme simple
can I leaven? can you leaven? can he leaven? can we leaven? can you leaven? can they leaven?
Forme en V-ing
can I be leavening? can you be leavening? can he be leavening? can we be leavening? can you be leavening? can they be leavening?
Perfect
can I have leavened? can you have leavened? can he have leavened? can we have leavened? can you have leavened? can they have leavened?
Perfect en V-ing
can I have been leavening? can you have been leavening? can he have been leavening? can we have been leavening? can you have been leavening? can they have been leavening?
Forme interro-négative
Forme simple
can I not leaven? can you not leaven? can he not leaven? can we not leaven? can you not leaven? can they not leaven?
Forme en V-ing
can I not be leavening? can you not be leavening? can he not be leavening? can we not be leavening? can you not be leavening? can they not be leavening?
Perfect
can I not have leavened? can you not have leavened? can he not have leavened? can we not have leavened? can you not have leavened? can they not have leavened?
Perfect en V-ing
can I not have been leavening? can you not have been leavening? can he not have been leavening? can we not have been leavening? can you not have been leavening? can they not have been leavening?