I could decompress you could decompress she could decompress we could decompress you could decompress they could decompress
V-ing form
I could be decompressing you could be decompressing she could be decompressing we could be decompressing you could be decompressing they could be decompressing
Perfect
I could have decompressed you could have decompressed she could have decompressed we could have decompressed you could have decompressed they could have decompressed
V-ing perfect
I could have been decompressing you could have been decompressing she could have been decompressing we could have been decompressing you could have been decompressing they could have been decompressing
Negation
Simple form
I could not decompress you could not decompress she could not decompress we could not decompress you could not decompress they could not decompress
V-ing form
I could not be decompressing you could not be decompressing she could not be decompressing we could not be decompressing you could not be decompressing they could not be decompressing
Perfect
I could not have decompressed you could not have decompressed she could not have decompressed we could not have decompressed you could not have decompressed they could not have decompressed
V-ing perfect
I could not have been decompressing you could not have been decompressing she could not have been decompressing we could not have been decompressing you could not have been decompressing they could not have been decompressing
Interrogative form
Simple form
could I decompress? could you decompress? could she decompress? could we decompress? could you decompress? could they decompress?
V-ing form
could I be decompressing? could you be decompressing? could she be decompressing? could we be decompressing? could you be decompressing? could they be decompressing?
Perfect
could I have decompressed? could you have decompressed? could she have decompressed? could we have decompressed? could you have decompressed? could they have decompressed?
V-ing perfect
could I have been decompressing? could you have been decompressing? could she have been decompressing? could we have been decompressing? could you have been decompressing? could they have been decompressing?
Interro-negative form
Simple form
could I not decompress? could you not decompress? could she not decompress? could we not decompress? could you not decompress? could they not decompress?
V-ing form
could I not be decompressing? could you not be decompressing? could she not be decompressing? could we not be decompressing? could you not be decompressing? could they not be decompressing?
Perfect
could I not have decompressed? could you not have decompressed? could she not have decompressed? could we not have decompressed? could you not have decompressed? could they not have decompressed?
V-ing perfect
could I not have been decompressing? could you not have been decompressing? could she not have been decompressing? could we not have been decompressing? could you not have been decompressing? could they not have been decompressing?