could precompress
Regular verb: precompress - precompressed- precompressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could precompress
you could precompress
he could precompress
we could precompress
you could precompress
they could precompress 	I could be precompressing
you could be precompressing
he could be precompressing
we could be precompressing
you could be precompressing
they could be precompressing	I could have precompressed
you could have precompressed
he could have precompressed
we could have precompressed
you could have precompressed
they could have precompressed	I could have been precompressing
you could have been precompressing
he could have been precompressing
we could have been precompressing
you could have been precompressing
they could have been precompressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't precompress
you couldn't precompress
he couldn't precompress
we couldn't precompress
you couldn't precompress
they couldn't precompress 	I couldn't be precompressing
you couldn't be precompressing
he couldn't be precompressing
we couldn't be precompressing
you couldn't be precompressing
they couldn't be precompressing	I couldn't have precompressed
you couldn't have precompressed
he couldn't have precompressed
we couldn't have precompressed
you couldn't have precompressed
they couldn't have precompressed	I couldn't have been precompressing
you couldn't have been precompressing
he couldn't have been precompressing
we couldn't have been precompressing
you couldn't have been precompressing
they couldn't have been precompressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I precompress?
could you precompress?
could he precompress?
could we precompress?
could you precompress?
could they precompress? 	could I be precompressing?
could you be precompressing?
could he be precompressing?
could we be precompressing?
could you be precompressing?
could they be precompressing? 	could I have precompressed?
could you have precompressed?
could he have precompressed?
could we have precompressed?
could you have precompressed?
could they have precompressed? 	could I have been precompressing?
could you have been precompressing?
could he have been precompressing?
could we have been precompressing?
could you have been precompressing?
could they have been precompressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I precompress?
couldn't you precompress?
couldn't he precompress?
couldn't we precompress?
couldn't you precompress?
couldn't they precompress? 	couldn't I be precompressing?
couldn't you be precompressing?
couldn't he be precompressing?
couldn't we be precompressing?
couldn't you be precompressing?
couldn't they be precompressing? 	couldn't I have precompressed?
couldn't you have precompressed?
couldn't he have precompressed?
couldn't we have precompressed?
couldn't you have precompressed?
couldn't they have precompressed? 	couldn't I have been precompressing?
couldn't you have been precompressing?
couldn't he have been precompressing?
couldn't we have been precompressing?
couldn't you have been precompressing?
couldn't they have been precompressing?