I can ensure you can ensure he can ensure we can ensure you can ensure they can ensure
Forme en V-ing
I can be ensuring you can be ensuring he can be ensuring we can be ensuring you can be ensuring they can be ensuring
Perfect
I can have ensured you can have ensured he can have ensured we can have ensured you can have ensured they can have ensured
Perfect en V-ing
I can have been ensuring you can have been ensuring he can have been ensuring we can have been ensuring you can have been ensuring they can have been ensuring
Négation
Forme simple
I cannot ensure you cannot ensure he cannot ensure we cannot ensure you cannot ensure they cannot ensure
Forme en V-ing
I cannot be ensuring you cannot be ensuring he cannot be ensuring we cannot be ensuring you cannot be ensuring they cannot be ensuring
Perfect
I cannot have ensured you cannot have ensured he cannot have ensured we cannot have ensured you cannot have ensured they cannot have ensured
Perfect en V-ing
I cannot have been ensuring you cannot have been ensuring he cannot have been ensuring we cannot have been ensuring you cannot have been ensuring they cannot have been ensuring
Forme interrogative
Forme simple
can I ensure? can you ensure? can he ensure? can we ensure? can you ensure? can they ensure?
Forme en V-ing
can I be ensuring? can you be ensuring? can he be ensuring? can we be ensuring? can you be ensuring? can they be ensuring?
Perfect
can I have ensured? can you have ensured? can he have ensured? can we have ensured? can you have ensured? can they have ensured?
Perfect en V-ing
can I have been ensuring? can you have been ensuring? can he have been ensuring? can we have been ensuring? can you have been ensuring? can they have been ensuring?
Forme interro-négative
Forme simple
can I not ensure? can you not ensure? can he not ensure? can we not ensure? can you not ensure? can they not ensure?
Forme en V-ing
can I not be ensuring? can you not be ensuring? can he not be ensuring? can we not be ensuring? can you not be ensuring? can they not be ensuring?
Perfect
can I not have ensured? can you not have ensured? can he not have ensured? can we not have ensured? can you not have ensured? can they not have ensured?
Perfect en V-ing
can I not have been ensuring? can you not have been ensuring? can he not have been ensuring? can we not have been ensuring? can you not have been ensuring? can they not have been ensuring?