I can optimize you can optimize he can optimize we can optimize you can optimize they can optimize
Forme en V-ing
I can be optimizing you can be optimizing he can be optimizing we can be optimizing you can be optimizing they can be optimizing
Perfect
I can have optimized you can have optimized he can have optimized we can have optimized you can have optimized they can have optimized
Perfect en V-ing
I can have been optimizing you can have been optimizing he can have been optimizing we can have been optimizing you can have been optimizing they can have been optimizing
Négation
Forme simple
I can't optimize you can't optimize he can't optimize we can't optimize you can't optimize they can't optimize
Forme en V-ing
I can't be optimizing you can't be optimizing he can't be optimizing we can't be optimizing you can't be optimizing they can't be optimizing
Perfect
I can't have optimized you can't have optimized he can't have optimized we can't have optimized you can't have optimized they can't have optimized
Perfect en V-ing
I can't have been optimizing you can't have been optimizing he can't have been optimizing we can't have been optimizing you can't have been optimizing they can't have been optimizing
Forme interrogative
Forme simple
can I optimize? can you optimize? can he optimize? can we optimize? can you optimize? can they optimize?
Forme en V-ing
can I be optimizing? can you be optimizing? can he be optimizing? can we be optimizing? can you be optimizing? can they be optimizing?
Perfect
can I have optimized? can you have optimized? can he have optimized? can we have optimized? can you have optimized? can they have optimized?
Perfect en V-ing
can I have been optimizing? can you have been optimizing? can he have been optimizing? can we have been optimizing? can you have been optimizing? can they have been optimizing?
Forme interro-négative
Forme simple
can't I optimize? can't you optimize? can't he optimize? can't we optimize? can't you optimize? can't they optimize?
Forme en V-ing
can't I be optimizing? can't you be optimizing? can't he be optimizing? can't we be optimizing? can't you be optimizing? can't they be optimizing?
Perfect
can't I have optimized? can't you have optimized? can't he have optimized? can't we have optimized? can't you have optimized? can't they have optimized?
Perfect en V-ing
can't I have been optimizing? can't you have been optimizing? can't he have been optimizing? can't we have been optimizing? can't you have been optimizing? can't they have been optimizing?