shall crack
Regular verb: crack - cracked- cracked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall crack
you shall crack
he shall crack
we shall crack
you shall crack
they shall crack 	I shall be cracking
you shall be cracking
he shall be cracking
we shall be cracking
you shall be cracking
they shall be cracking	I shall have cracked
you shall have cracked
he shall have cracked
we shall have cracked
you shall have cracked
they shall have cracked	I shall have been cracking
you shall have been cracking
he shall have been cracking
we shall have been cracking
you shall have been cracking
they shall have been cracking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not crack
you shall not crack
he shall not crack
we shall not crack
you shall not crack
they shall not crack 	I shall not be cracking
you shall not be cracking
he shall not be cracking
we shall not be cracking
you shall not be cracking
they shall not be cracking	I shall not have cracked
you shall not have cracked
he shall not have cracked
we shall not have cracked
you shall not have cracked
they shall not have cracked	I shall not have been cracking
you shall not have been cracking
he shall not have been cracking
we shall not have been cracking
you shall not have been cracking
they shall not have been cracking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I crack?
shall you crack?
shall he crack?
shall we crack?
shall you crack?
shall they crack? 	shall I be cracking?
shall you be cracking?
shall he be cracking?
shall we be cracking?
shall you be cracking?
shall they be cracking? 	shall I have cracked?
shall you have cracked?
shall he have cracked?
shall we have cracked?
shall you have cracked?
shall they have cracked? 	shall I have been cracking?
shall you have been cracking?
shall he have been cracking?
shall we have been cracking?
shall you have been cracking?
shall they have been cracking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not crack?
shall you not crack?
shall he not crack?
shall we not crack?
shall you not crack?
shall they not crack? 	shall I not be cracking?
shall you not be cracking?
shall he not be cracking?
shall we not be cracking?
shall you not be cracking?
shall they not be cracking? 	shall I not have cracked?
shall you not have cracked?
shall he not have cracked?
shall we not have cracked?
shall you not have cracked?
shall they not have cracked? 	shall I not have been cracking?
shall you not have been cracking?
shall he not have been cracking?
shall we not have been cracking?
shall you not have been cracking?
shall they not have been cracking?