English verb conjugation CAN CRACK

Regular verb: crack - cracked - cracked

Affirmation

Simple form

I can crack
you can crack
she can crack
we can crack
you can crack
they can crack

V-ing form

I can be cracking
you can be cracking
she can be cracking
we can be cracking
you can be cracking
they can be cracking

Perfect

I can have cracked
you can have cracked
she can have cracked
we can have cracked
you can have cracked
they can have cracked

V-ing perfect

I can have been cracking
you can have been cracking
she can have been cracking
we can have been cracking
you can have been cracking
they can have been cracking

Negation

Simple form

I cannot crack
you cannot crack
she cannot crack
we cannot crack
you cannot crack
they cannot crack

V-ing form

I cannot be cracking
you cannot be cracking
she cannot be cracking
we cannot be cracking
you cannot be cracking
they cannot be cracking

Perfect

I cannot have cracked
you cannot have cracked
she cannot have cracked
we cannot have cracked
you cannot have cracked
they cannot have cracked

V-ing perfect

I cannot have been cracking
you cannot have been cracking
she cannot have been cracking
we cannot have been cracking
you cannot have been cracking
they cannot have been cracking

Interrogative form

Simple form

can I crack?
can you crack?
can she crack?
can we crack?
can you crack?
can they crack?

V-ing form

can I be cracking?
can you be cracking?
can she be cracking?
can we be cracking?
can you be cracking?
can they be cracking?

Perfect

can I have cracked?
can you have cracked?
can she have cracked?
can we have cracked?
can you have cracked?
can they have cracked?

V-ing perfect

can I have been cracking?
can you have been cracking?
can she have been cracking?
can we have been cracking?
can you have been cracking?
can they have been cracking?

Interro-negative form

Simple form

can I not crack?
can you not crack?
can she not crack?
can we not crack?
can you not crack?
can they not crack?

V-ing form

can I not be cracking?
can you not be cracking?
can she not be cracking?
can we not be cracking?
can you not be cracking?
can they not be cracking?

Perfect

can I not have cracked?
can you not have cracked?
can she not have cracked?
can we not have cracked?
can you not have cracked?
can they not have cracked?

V-ing perfect

can I not have been cracking?
can you not have been cracking?
can she not have been cracking?
can we not have been cracking?
can you not have been cracking?
can they not have been cracking?

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