English verb conjugation
CAN BRACKET

Regular verb: bracket - bracketed - bracketed

Affirmation

Simple form	V-ing form
I can bracket you can bracket he can bracket we can bracket you can bracket they can bracket	I can be bracketing you can be bracketing he can be bracketing we can be bracketing you can be bracketing they can be bracketing
Perfect	V-ing perfect
I can have bracketed you can have bracketed he can have bracketed we can have bracketed you can have bracketed they can have bracketed	I can have been bracketing you can have been bracketing he can have been bracketing we can have been bracketing you can have been bracketing they can have been bracketing

Negation

Simple form	V-ing form
I can't bracket you can't bracket he can't bracket we can't bracket you can't bracket they can't bracket	I can't be bracketing you can't be bracketing he can't be bracketing we can't be bracketing you can't be bracketing they can't be bracketing
Perfect	V-ing perfect
I can't have bracketed you can't have bracketed he can't have bracketed we can't have bracketed you can't have bracketed they can't have bracketed	I can't have been bracketing you can't have been bracketing he can't have been bracketing we can't have been bracketing you can't have been bracketing they can't have been bracketing

Interrogative form

Simple form	V-ing form
can I bracket? can you bracket? can he bracket? can we bracket? can you bracket? can they bracket?	can I be bracketing? can you be bracketing? can he be bracketing? can we be bracketing? can you be bracketing? can they be bracketing?
Perfect	V-ing perfect
can I have bracketed? can you have bracketed? can he have bracketed? can we have bracketed? can you have bracketed? can they have bracketed?	can I have been bracketing? can you have been bracketing? can he have been bracketing? can we have been bracketing? can you have been bracketing? can they have been bracketing?

Interro-negative form

Simple form	V-ing form
can't I bracket? can't you bracket? can't he bracket? can't we bracket? can't you bracket? can't they bracket?	can't I be bracketing? can't you be bracketing? can't he be bracketing? can't we be bracketing? can't you be bracketing? can't they be bracketing?
Perfect	V-ing perfect
can't I have bracketed? can't you have bracketed? can't he have bracketed? can't we have bracketed? can't you have bracketed? can't they have bracketed?	can't I have been bracketing? can't you have been bracketing? can't he have been bracketing? can't we have been bracketing? can't you have been bracketing? can't they have been bracketing?