I can fertilize you can fertilize she can fertilize we can fertilize you can fertilize they can fertilize
Forme en V-ing
I can be fertilizing you can be fertilizing she can be fertilizing we can be fertilizing you can be fertilizing they can be fertilizing
Perfect
I can have fertilized you can have fertilized she can have fertilized we can have fertilized you can have fertilized they can have fertilized
Perfect en V-ing
I can have been fertilizing you can have been fertilizing she can have been fertilizing we can have been fertilizing you can have been fertilizing they can have been fertilizing
Négation
Forme simple
I cannot fertilize you cannot fertilize she cannot fertilize we cannot fertilize you cannot fertilize they cannot fertilize
Forme en V-ing
I cannot be fertilizing you cannot be fertilizing she cannot be fertilizing we cannot be fertilizing you cannot be fertilizing they cannot be fertilizing
Perfect
I cannot have fertilized you cannot have fertilized she cannot have fertilized we cannot have fertilized you cannot have fertilized they cannot have fertilized
Perfect en V-ing
I cannot have been fertilizing you cannot have been fertilizing she cannot have been fertilizing we cannot have been fertilizing you cannot have been fertilizing they cannot have been fertilizing
Forme interrogative
Forme simple
can I fertilize? can you fertilize? can she fertilize? can we fertilize? can you fertilize? can they fertilize?
Forme en V-ing
can I be fertilizing? can you be fertilizing? can she be fertilizing? can we be fertilizing? can you be fertilizing? can they be fertilizing?
Perfect
can I have fertilized? can you have fertilized? can she have fertilized? can we have fertilized? can you have fertilized? can they have fertilized?
Perfect en V-ing
can I have been fertilizing? can you have been fertilizing? can she have been fertilizing? can we have been fertilizing? can you have been fertilizing? can they have been fertilizing?
Forme interro-négative
Forme simple
can I not fertilize? can you not fertilize? can she not fertilize? can we not fertilize? can you not fertilize? can they not fertilize?
Forme en V-ing
can I not be fertilizing? can you not be fertilizing? can she not be fertilizing? can we not be fertilizing? can you not be fertilizing? can they not be fertilizing?
Perfect
can I not have fertilized? can you not have fertilized? can she not have fertilized? can we not have fertilized? can you not have fertilized? can they not have fertilized?
Perfect en V-ing
can I not have been fertilizing? can you not have been fertilizing? can she not have been fertilizing? can we not have been fertilizing? can you not have been fertilizing? can they not have been fertilizing?