I can grace you can grace she can grace we can grace you can grace they can grace
V-ing form
I can be gracing you can be gracing she can be gracing we can be gracing you can be gracing they can be gracing
Perfect
I can have graced you can have graced she can have graced we can have graced you can have graced they can have graced
V-ing perfect
I can have been gracing you can have been gracing she can have been gracing we can have been gracing you can have been gracing they can have been gracing
Negation
Simple form
I can't grace you can't grace she can't grace we can't grace you can't grace they can't grace
V-ing form
I can't be gracing you can't be gracing she can't be gracing we can't be gracing you can't be gracing they can't be gracing
Perfect
I can't have graced you can't have graced she can't have graced we can't have graced you can't have graced they can't have graced
V-ing perfect
I can't have been gracing you can't have been gracing she can't have been gracing we can't have been gracing you can't have been gracing they can't have been gracing
Interrogative form
Simple form
can I grace? can you grace? can she grace? can we grace? can you grace? can they grace?
V-ing form
can I be gracing? can you be gracing? can she be gracing? can we be gracing? can you be gracing? can they be gracing?
Perfect
can I have graced? can you have graced? can she have graced? can we have graced? can you have graced? can they have graced?
V-ing perfect
can I have been gracing? can you have been gracing? can she have been gracing? can we have been gracing? can you have been gracing? can they have been gracing?
Interro-negative form
Simple form
can't I grace? can't you grace? can't she grace? can't we grace? can't you grace? can't they grace?
V-ing form
can't I be gracing? can't you be gracing? can't she be gracing? can't we be gracing? can't you be gracing? can't they be gracing?
Perfect
can't I have graced? can't you have graced? can't she have graced? can't we have graced? can't you have graced? can't they have graced?
V-ing perfect
can't I have been gracing? can't you have been gracing? can't she have been gracing? can't we have been gracing? can't you have been gracing? can't they have been gracing?