I can evaluate you can evaluate she can evaluate we can evaluate you can evaluate they can evaluate
V-ing form
I can be evaluating you can be evaluating she can be evaluating we can be evaluating you can be evaluating they can be evaluating
Perfect
I can have evaluated you can have evaluated she can have evaluated we can have evaluated you can have evaluated they can have evaluated
V-ing perfect
I can have been evaluating you can have been evaluating she can have been evaluating we can have been evaluating you can have been evaluating they can have been evaluating
Negation
Simple form
I cannot evaluate you cannot evaluate she cannot evaluate we cannot evaluate you cannot evaluate they cannot evaluate
V-ing form
I cannot be evaluating you cannot be evaluating she cannot be evaluating we cannot be evaluating you cannot be evaluating they cannot be evaluating
Perfect
I cannot have evaluated you cannot have evaluated she cannot have evaluated we cannot have evaluated you cannot have evaluated they cannot have evaluated
V-ing perfect
I cannot have been evaluating you cannot have been evaluating she cannot have been evaluating we cannot have been evaluating you cannot have been evaluating they cannot have been evaluating
Interrogative form
Simple form
can I evaluate? can you evaluate? can she evaluate? can we evaluate? can you evaluate? can they evaluate?
V-ing form
can I be evaluating? can you be evaluating? can she be evaluating? can we be evaluating? can you be evaluating? can they be evaluating?
Perfect
can I have evaluated? can you have evaluated? can she have evaluated? can we have evaluated? can you have evaluated? can they have evaluated?
V-ing perfect
can I have been evaluating? can you have been evaluating? can she have been evaluating? can we have been evaluating? can you have been evaluating? can they have been evaluating?
Interro-negative form
Simple form
can I not evaluate? can you not evaluate? can she not evaluate? can we not evaluate? can you not evaluate? can they not evaluate?
V-ing form
can I not be evaluating? can you not be evaluating? can she not be evaluating? can we not be evaluating? can you not be evaluating? can they not be evaluating?
Perfect
can I not have evaluated? can you not have evaluated? can she not have evaluated? can we not have evaluated? can you not have evaluated? can they not have evaluated?
V-ing perfect
can I not have been evaluating? can you not have been evaluating? can she not have been evaluating? can we not have been evaluating? can you not have been evaluating? can they not have been evaluating?