English verb conjugation
COULD COMPRESS

Regular verb: compress - compressed - compressed

Affirmation

Simple form	V-ing form
I could compress you could compress he could compress we could compress you could compress they could compress	I could be compressing you could be compressing he could be compressing we could be compressing you could be compressing they could be compressing
Perfect	V-ing perfect
I could have compressed you could have compressed he could have compressed we could have compressed you could have compressed they could have compressed	I could have been compressing you could have been compressing he could have been compressing we could have been compressing you could have been compressing they could have been compressing

Negation

Simple form	V-ing form
I couldn't compress you couldn't compress he couldn't compress we couldn't compress you couldn't compress they couldn't compress	I couldn't be compressing you couldn't be compressing he couldn't be compressing we couldn't be compressing you couldn't be compressing they couldn't be compressing
Perfect	V-ing perfect
I couldn't have compressed you couldn't have compressed he couldn't have compressed we couldn't have compressed you couldn't have compressed they couldn't have compressed	I couldn't have been compressing you couldn't have been compressing he couldn't have been compressing we couldn't have been compressing you couldn't have been compressing they couldn't have been compressing

Interrogative form

Simple form	V-ing form
could I compress? could you compress? could he compress? could we compress? could you compress? could they compress?	could I be compressing? could you be compressing? could he be compressing? could we be compressing? could you be compressing? could they be compressing?
Perfect	V-ing perfect
could I have compressed? could you have compressed? could he have compressed? could we have compressed? could you have compressed? could they have compressed?	could I have been compressing? could you have been compressing? could he have been compressing? could we have been compressing? could you have been compressing? could they have been compressing?

Interro-negative form

Simple form	V-ing form
couldn't I compress? couldn't you compress? couldn't he compress? couldn't we compress? couldn't you compress? couldn't they compress?	couldn't I be compressing? couldn't you be compressing? couldn't he be compressing? couldn't we be compressing? couldn't you be compressing? couldn't they be compressing?
Perfect	V-ing perfect
couldn't I have compressed? couldn't you have compressed? couldn't he have compressed? couldn't we have compressed? couldn't you have compressed? couldn't they have compressed?	couldn't I have been compressing? couldn't you have been compressing? couldn't he have been compressing? couldn't we have been compressing? couldn't you have been compressing? couldn't they have been compressing?