I can optimize you can optimize she can optimize we can optimize you can optimize they can optimize
V-ing form
I can be optimizing you can be optimizing she can be optimizing we can be optimizing you can be optimizing they can be optimizing
Perfect
I can have optimized you can have optimized she can have optimized we can have optimized you can have optimized they can have optimized
V-ing perfect
I can have been optimizing you can have been optimizing she can have been optimizing we can have been optimizing you can have been optimizing they can have been optimizing
Negation
Simple form
I cannot optimize you cannot optimize she cannot optimize we cannot optimize you cannot optimize they cannot optimize
V-ing form
I cannot be optimizing you cannot be optimizing she cannot be optimizing we cannot be optimizing you cannot be optimizing they cannot be optimizing
Perfect
I cannot have optimized you cannot have optimized she cannot have optimized we cannot have optimized you cannot have optimized they cannot have optimized
V-ing perfect
I cannot have been optimizing you cannot have been optimizing she cannot have been optimizing we cannot have been optimizing you cannot have been optimizing they cannot have been optimizing
Interrogative form
Simple form
can I optimize? can you optimize? can she optimize? can we optimize? can you optimize? can they optimize?
V-ing form
can I be optimizing? can you be optimizing? can she be optimizing? can we be optimizing? can you be optimizing? can they be optimizing?
Perfect
can I have optimized? can you have optimized? can she have optimized? can we have optimized? can you have optimized? can they have optimized?
V-ing perfect
can I have been optimizing? can you have been optimizing? can she have been optimizing? can we have been optimizing? can you have been optimizing? can they have been optimizing?
Interro-negative form
Simple form
can I not optimize? can you not optimize? can she not optimize? can we not optimize? can you not optimize? can they not optimize?
V-ing form
can I not be optimizing? can you not be optimizing? can she not be optimizing? can we not be optimizing? can you not be optimizing? can they not be optimizing?
Perfect
can I not have optimized? can you not have optimized? can she not have optimized? can we not have optimized? can you not have optimized? can they not have optimized?
V-ing perfect
can I not have been optimizing? can you not have been optimizing? can she not have been optimizing? can we not have been optimizing? can you not have been optimizing? can they not have been optimizing?