I can process you can process she can process we can process you can process they can process
V-ing form
I can be processing you can be processing she can be processing we can be processing you can be processing they can be processing
Perfect
I can have processed you can have processed she can have processed we can have processed you can have processed they can have processed
V-ing perfect
I can have been processing you can have been processing she can have been processing we can have been processing you can have been processing they can have been processing
Negation
Simple form
I cannot process you cannot process she cannot process we cannot process you cannot process they cannot process
V-ing form
I cannot be processing you cannot be processing she cannot be processing we cannot be processing you cannot be processing they cannot be processing
Perfect
I cannot have processed you cannot have processed she cannot have processed we cannot have processed you cannot have processed they cannot have processed
V-ing perfect
I cannot have been processing you cannot have been processing she cannot have been processing we cannot have been processing you cannot have been processing they cannot have been processing
Interrogative form
Simple form
can I process? can you process? can she process? can we process? can you process? can they process?
V-ing form
can I be processing? can you be processing? can she be processing? can we be processing? can you be processing? can they be processing?
Perfect
can I have processed? can you have processed? can she have processed? can we have processed? can you have processed? can they have processed?
V-ing perfect
can I have been processing? can you have been processing? can she have been processing? can we have been processing? can you have been processing? can they have been processing?
Interro-negative form
Simple form
can I not process? can you not process? can she not process? can we not process? can you not process? can they not process?
V-ing form
can I not be processing? can you not be processing? can she not be processing? can we not be processing? can you not be processing? can they not be processing?
Perfect
can I not have processed? can you not have processed? can she not have processed? can we not have processed? can you not have processed? can they not have processed?
V-ing perfect
can I not have been processing? can you not have been processing? can she not have been processing? can we not have been processing? can you not have been processing? can they not have been processing?