English verb conjugation CAN CRACK

Regular verb: crack - cracked - cracked

Affirmation

Simple form

I can crack
you can crack
he can crack
we can crack
you can crack
they can crack

V-ing form

I can be cracking
you can be cracking
he can be cracking
we can be cracking
you can be cracking
they can be cracking

Perfect

I can have cracked
you can have cracked
he 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
he 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
he cannot crack
we cannot crack
you cannot crack
they cannot crack

V-ing form

I cannot be cracking
you cannot be cracking
he cannot be cracking
we cannot be cracking
you cannot be cracking
they cannot be cracking

Perfect

I cannot have cracked
you cannot have cracked
he 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
he 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 he crack?
can we crack?
can you crack?
can they crack?

V-ing form

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

Perfect

can I have cracked?
can you have cracked?
can he 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 he 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 he 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 he 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 he 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 he 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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