English verb conjugation CAN RACK

Regular verb: rack - racked - racked

Affirmation

Simple form

I can rack
you can rack
he can rack
we can rack
you can rack
they can rack

V-ing form

I can be racking
you can be racking
he can be racking
we can be racking
you can be racking
they can be racking

Perfect

I can have racked
you can have racked
he can have racked
we can have racked
you can have racked
they can have racked

V-ing perfect

I can have been racking
you can have been racking
he can have been racking
we can have been racking
you can have been racking
they can have been racking

Negation

Simple form

I cannot rack
you cannot rack
he cannot rack
we cannot rack
you cannot rack
they cannot rack

V-ing form

I cannot be racking
you cannot be racking
he cannot be racking
we cannot be racking
you cannot be racking
they cannot be racking

Perfect

I cannot have racked
you cannot have racked
he cannot have racked
we cannot have racked
you cannot have racked
they cannot have racked

V-ing perfect

I cannot have been racking
you cannot have been racking
he cannot have been racking
we cannot have been racking
you cannot have been racking
they cannot have been racking

Interrogative form

Simple form

can I rack?
can you rack?
can he rack?
can we rack?
can you rack?
can they rack?

V-ing form

can I be racking?
can you be racking?
can he be racking?
can we be racking?
can you be racking?
can they be racking?

Perfect

can I have racked?
can you have racked?
can he have racked?
can we have racked?
can you have racked?
can they have racked?

V-ing perfect

can I have been racking?
can you have been racking?
can he have been racking?
can we have been racking?
can you have been racking?
can they have been racking?

Interro-negative form

Simple form

can I not rack?
can you not rack?
can he not rack?
can we not rack?
can you not rack?
can they not rack?

V-ing form

can I not be racking?
can you not be racking?
can he not be racking?
can we not be racking?
can you not be racking?
can they not be racking?

Perfect

can I not have racked?
can you not have racked?
can he not have racked?
can we not have racked?
can you not have racked?
can they not have racked?

V-ing perfect

can I not have been racking?
can you not have been racking?
can he not have been racking?
can we not have been racking?
can you not have been racking?
can they not have been racking?

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