I can precompress you can precompress she can precompress we can precompress you can precompress they can precompress
V-ing form
I can be precompressing you can be precompressing she can be precompressing we can be precompressing you can be precompressing they can be precompressing
Perfect
I can have precompressed you can have precompressed she can have precompressed we can have precompressed you can have precompressed they can have precompressed
V-ing perfect
I can have been precompressing you can have been precompressing she can have been precompressing we can have been precompressing you can have been precompressing they can have been precompressing
Negation
Simple form
I can't precompress you can't precompress she can't precompress we can't precompress you can't precompress they can't precompress
V-ing form
I can't be precompressing you can't be precompressing she can't be precompressing we can't be precompressing you can't be precompressing they can't be precompressing
Perfect
I can't have precompressed you can't have precompressed she can't have precompressed we can't have precompressed you can't have precompressed they can't have precompressed
V-ing perfect
I can't have been precompressing you can't have been precompressing she can't have been precompressing we can't have been precompressing you can't have been precompressing they can't have been precompressing
Interrogative form
Simple form
can I precompress? can you precompress? can she precompress? can we precompress? can you precompress? can they precompress?
V-ing form
can I be precompressing? can you be precompressing? can she be precompressing? can we be precompressing? can you be precompressing? can they be precompressing?
Perfect
can I have precompressed? can you have precompressed? can she have precompressed? can we have precompressed? can you have precompressed? can they have precompressed?
V-ing perfect
can I have been precompressing? can you have been precompressing? can she have been precompressing? can we have been precompressing? can you have been precompressing? can they have been precompressing?
Interro-negative form
Simple form
can't I precompress? can't you precompress? can't she precompress? can't we precompress? can't you precompress? can't they precompress?
V-ing form
can't I be precompressing? can't you be precompressing? can't she be precompressing? can't we be precompressing? can't you be precompressing? can't they be precompressing?
Perfect
can't I have precompressed? can't you have precompressed? can't she have precompressed? can't we have precompressed? can't you have precompressed? can't they have precompressed?
V-ing perfect
can't I have been precompressing? can't you have been precompressing? can't she have been precompressing? can't we have been precompressing? can't you have been precompressing? can't they have been precompressing?