English verb conjugation
CAN UNBAR

Regular verb: unbar - unbarred - unbarred

Affirmation

Simple form	V-ing form
I can unbar you can unbar he can unbar we can unbar you can unbar they can unbar	I can be unbarring you can be unbarring he can be unbarring we can be unbarring you can be unbarring they can be unbarring
Perfect	V-ing perfect
I can have unbarred you can have unbarred he can have unbarred we can have unbarred you can have unbarred they can have unbarred	I can have been unbarring you can have been unbarring he can have been unbarring we can have been unbarring you can have been unbarring they can have been unbarring

Negation

Simple form	V-ing form
I can't unbar you can't unbar he can't unbar we can't unbar you can't unbar they can't unbar	I can't be unbarring you can't be unbarring he can't be unbarring we can't be unbarring you can't be unbarring they can't be unbarring
Perfect	V-ing perfect
I can't have unbarred you can't have unbarred he can't have unbarred we can't have unbarred you can't have unbarred they can't have unbarred	I can't have been unbarring you can't have been unbarring he can't have been unbarring we can't have been unbarring you can't have been unbarring they can't have been unbarring

Interrogative form

Simple form	V-ing form
can I unbar? can you unbar? can he unbar? can we unbar? can you unbar? can they unbar?	can I be unbarring? can you be unbarring? can he be unbarring? can we be unbarring? can you be unbarring? can they be unbarring?
Perfect	V-ing perfect
can I have unbarred? can you have unbarred? can he have unbarred? can we have unbarred? can you have unbarred? can they have unbarred?	can I have been unbarring? can you have been unbarring? can he have been unbarring? can we have been unbarring? can you have been unbarring? can they have been unbarring?

Interro-negative form

Simple form	V-ing form
can't I unbar? can't you unbar? can't he unbar? can't we unbar? can't you unbar? can't they unbar?	can't I be unbarring? can't you be unbarring? can't he be unbarring? can't we be unbarring? can't you be unbarring? can't they be unbarring?
Perfect	V-ing perfect
can't I have unbarred? can't you have unbarred? can't he have unbarred? can't we have unbarred? can't you have unbarred? can't they have unbarred?	can't I have been unbarring? can't you have been unbarring? can't he have been unbarring? can't we have been unbarring? can't you have been unbarring? can't they have been unbarring?