English verb conjugation
CAN SUPPRESS

Regular verb: suppress - suppressed - suppressed

Affirmation

Simple form	V-ing form
I can suppress you can suppress he can suppress we can suppress you can suppress they can suppress	I can be suppressing you can be suppressing he can be suppressing we can be suppressing you can be suppressing they can be suppressing
Perfect	V-ing perfect
I can have suppressed you can have suppressed he can have suppressed we can have suppressed you can have suppressed they can have suppressed	I can have been suppressing you can have been suppressing he can have been suppressing we can have been suppressing you can have been suppressing they can have been suppressing

Negation

Simple form	V-ing form
I can't suppress you can't suppress he can't suppress we can't suppress you can't suppress they can't suppress	I can't be suppressing you can't be suppressing he can't be suppressing we can't be suppressing you can't be suppressing they can't be suppressing
Perfect	V-ing perfect
I can't have suppressed you can't have suppressed he can't have suppressed we can't have suppressed you can't have suppressed they can't have suppressed	I can't have been suppressing you can't have been suppressing he can't have been suppressing we can't have been suppressing you can't have been suppressing they can't have been suppressing

Interrogative form

Simple form	V-ing form
can I suppress? can you suppress? can he suppress? can we suppress? can you suppress? can they suppress?	can I be suppressing? can you be suppressing? can he be suppressing? can we be suppressing? can you be suppressing? can they be suppressing?
Perfect	V-ing perfect
can I have suppressed? can you have suppressed? can he have suppressed? can we have suppressed? can you have suppressed? can they have suppressed?	can I have been suppressing? can you have been suppressing? can he have been suppressing? can we have been suppressing? can you have been suppressing? can they have been suppressing?

Interro-negative form

Simple form	V-ing form
can't I suppress? can't you suppress? can't he suppress? can't we suppress? can't you suppress? can't they suppress?	can't I be suppressing? can't you be suppressing? can't he be suppressing? can't we be suppressing? can't you be suppressing? can't they be suppressing?
Perfect	V-ing perfect
can't I have suppressed? can't you have suppressed? can't he have suppressed? can't we have suppressed? can't you have suppressed? can't they have suppressed?	can't I have been suppressing? can't you have been suppressing? can't he have been suppressing? can't we have been suppressing? can't you have been suppressing? can't they have been suppressing?