English verb conjugation
CAN COMPRESS

Regular verb: compress - compressed - compressed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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