can precompress
Regular verb: precompress - precompressed- precompressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can precompress
you can precompress
she can precompress
we can precompress
you can precompress
they can precompress 	I can be precompressing
you can be precompressing
she can be precompressing
we can be precompressing
you can be precompressing
they can be precompressing	I can have precompressed
you can have precompressed
she can have precompressed
we can have precompressed
you can have precompressed
they can have precompressed	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't precompress
you can't precompress
she can't precompress
we can't precompress
you can't precompress
they can't precompress 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
can I precompress?
can you precompress?
can she precompress?
can we precompress?
can you precompress?
can they precompress? 	can I be precompressing?
can you be precompressing?
can she be precompressing?
can we be precompressing?
can you be precompressing?
can they be precompressing? 	can I have precompressed?
can you have precompressed?
can she have precompressed?
can we have precompressed?
can you have precompressed?
can they have precompressed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I precompress?
can't you precompress?
can't she precompress?
can't we precompress?
can't you precompress?
can't they precompress? 	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? 	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? 	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?