shall backcheck
Regular verb: backcheck - backchecked- backchecked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't backcheck
you shan't backcheck
she shan't backcheck
we shan't backcheck
you shan't backcheck
they shan't backcheck 	I shan't be backchecking
you shan't be backchecking
she shan't be backchecking
we shan't be backchecking
you shan't be backchecking
they shan't be backchecking	I shan't have backchecked
you shan't have backchecked
she shan't have backchecked
we shan't have backchecked
you shan't have backchecked
they shan't have backchecked	I shan't have been backchecking
you shan't have been backchecking
she shan't have been backchecking
we shan't have been backchecking
you shan't have been backchecking
they shan't 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 	
shan't I backcheck?
shan't you backcheck?
shan't she backcheck?
shan't we backcheck?
shan't you backcheck?
shan't they backcheck? 	shan't I be backchecking?
shan't you be backchecking?
shan't she be backchecking?
shan't we be backchecking?
shan't you be backchecking?
shan't they be backchecking? 	shan't I have backchecked?
shan't you have backchecked?
shan't she have backchecked?
shan't we have backchecked?
shan't you have backchecked?
shan't they have backchecked? 	shan't I have been backchecking?
shan't you have been backchecking?
shan't she have been backchecking?
shan't we have been backchecking?
shan't you have been backchecking?
shan't they have been backchecking?