I can defragment you can defragment she can defragment we can defragment you can defragment they can defragment
V-ing form
I can be defragmenting you can be defragmenting she can be defragmenting we can be defragmenting you can be defragmenting they can be defragmenting
Perfect
I can have defragmented you can have defragmented she can have defragmented we can have defragmented you can have defragmented they can have defragmented
V-ing perfect
I can have been defragmenting you can have been defragmenting she can have been defragmenting we can have been defragmenting you can have been defragmenting they can have been defragmenting
Negation
Simple form
I cannot defragment you cannot defragment she cannot defragment we cannot defragment you cannot defragment they cannot defragment
V-ing form
I cannot be defragmenting you cannot be defragmenting she cannot be defragmenting we cannot be defragmenting you cannot be defragmenting they cannot be defragmenting
Perfect
I cannot have defragmented you cannot have defragmented she cannot have defragmented we cannot have defragmented you cannot have defragmented they cannot have defragmented
V-ing perfect
I cannot have been defragmenting you cannot have been defragmenting she cannot have been defragmenting we cannot have been defragmenting you cannot have been defragmenting they cannot have been defragmenting
Interrogative form
Simple form
can I defragment? can you defragment? can she defragment? can we defragment? can you defragment? can they defragment?
V-ing form
can I be defragmenting? can you be defragmenting? can she be defragmenting? can we be defragmenting? can you be defragmenting? can they be defragmenting?
Perfect
can I have defragmented? can you have defragmented? can she have defragmented? can we have defragmented? can you have defragmented? can they have defragmented?
V-ing perfect
can I have been defragmenting? can you have been defragmenting? can she have been defragmenting? can we have been defragmenting? can you have been defragmenting? can they have been defragmenting?
Interro-negative form
Simple form
can I not defragment? can you not defragment? can she not defragment? can we not defragment? can you not defragment? can they not defragment?
V-ing form
can I not be defragmenting? can you not be defragmenting? can she not be defragmenting? can we not be defragmenting? can you not be defragmenting? can they not be defragmenting?
Perfect
can I not have defragmented? can you not have defragmented? can she not have defragmented? can we not have defragmented? can you not have defragmented? can they not have defragmented?
V-ing perfect
can I not have been defragmenting? can you not have been defragmenting? can she not have been defragmenting? can we not have been defragmenting? can you not have been defragmenting? can they not have been defragmenting?