shall backcheck
Regular verb: backcheck - backchecked- backchecked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall backcheck
you shall backcheck
she shall backcheck
we shall backcheck
you shall backcheck
they shall backcheck 	I shall be backchecking
you shall be backchecking
she shall be backchecking
we shall be backchecking
you shall be backchecking
they shall be backchecking	I shall have backchecked
you shall have backchecked
she shall have backchecked
we shall have backchecked
you shall have backchecked
they shall have backchecked	I shall have been backchecking
you shall have been backchecking
she shall have been backchecking
we shall have been backchecking
you shall have been backchecking
they shall have been backchecking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not backcheck
you shall not backcheck
she shall not backcheck
we shall not backcheck
you shall not backcheck
they shall not backcheck 	I shall not be backchecking
you shall not be backchecking
she shall not be backchecking
we shall not be backchecking
you shall not be backchecking
they shall not be backchecking	I shall not have backchecked
you shall not have backchecked
she shall not have backchecked
we shall not have backchecked
you shall not have backchecked
they shall not have backchecked	I shall not have been backchecking
you shall not have been backchecking
she shall not have been backchecking
we shall not have been backchecking
you shall not have been backchecking
they shall not have been backchecking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I backcheck?
shall you backcheck?
shall she backcheck?
shall we backcheck?
shall you backcheck?
shall they backcheck? 	shall I be backchecking?
shall you be backchecking?
shall she be backchecking?
shall we be backchecking?
shall you be backchecking?
shall they be backchecking? 	shall I have backchecked?
shall you have backchecked?
shall she have backchecked?
shall we have backchecked?
shall you have backchecked?
shall they have backchecked? 	shall I have been backchecking?
shall you have been backchecking?
shall she have been backchecking?
shall we have been backchecking?
shall you have been backchecking?
shall they have been backchecking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not backcheck?
shall you not backcheck?
shall she not backcheck?
shall we not backcheck?
shall you not backcheck?
shall they not backcheck? 	shall I not be backchecking?
shall you not be backchecking?
shall she not be backchecking?
shall we not be backchecking?
shall you not be backchecking?
shall they not be backchecking? 	shall I not have backchecked?
shall you not have backchecked?
shall she not have backchecked?
shall we not have backchecked?
shall you not have backchecked?
shall they not have backchecked? 	shall I not have been backchecking?
shall you not have been backchecking?
shall she not have been backchecking?
shall we not have been backchecking?
shall you not have been backchecking?
shall they not have been backchecking?