I can optimize you can optimize he can optimize we can optimize you can optimize they can optimize
Forma com 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
Perfeito
I can have optimized you can have optimized he can have optimized we can have optimized you can have optimized they can have optimized
Perfeito com 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
Negação
Forma 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
Forma com 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
Perfeito
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
Perfeito com 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
Forma interrogativa
Forma simple
can I optimize? can you optimize? can he optimize? can we optimize? can you optimize? can they optimize?
Forma com 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?
Perfeito
can I have optimized? can you have optimized? can he have optimized? can we have optimized? can you have optimized? can they have optimized?
Perfeito com 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?
Forma interro-Negação
Forma 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?
Forma com 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?
Perfeito
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?
Perfeito com 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?