shall countercheck
Regular verb: countercheck - counterchecked- counterchecked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall countercheck
you shall countercheck
he shall countercheck
we shall countercheck
you shall countercheck
they shall countercheck 	I shall be counterchecking
you shall be counterchecking
he shall be counterchecking
we shall be counterchecking
you shall be counterchecking
they shall be counterchecking	I shall have counterchecked
you shall have counterchecked
he shall have counterchecked
we shall have counterchecked
you shall have counterchecked
they shall have counterchecked	I shall have been counterchecking
you shall have been counterchecking
he shall have been counterchecking
we shall have been counterchecking
you shall have been counterchecking
they shall have been counterchecking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not countercheck
you shall not countercheck
he shall not countercheck
we shall not countercheck
you shall not countercheck
they shall not countercheck 	I shall not be counterchecking
you shall not be counterchecking
he shall not be counterchecking
we shall not be counterchecking
you shall not be counterchecking
they shall not be counterchecking	I shall not have counterchecked
you shall not have counterchecked
he shall not have counterchecked
we shall not have counterchecked
you shall not have counterchecked
they shall not have counterchecked	I shall not have been counterchecking
you shall not have been counterchecking
he shall not have been counterchecking
we shall not have been counterchecking
you shall not have been counterchecking
they shall not have been counterchecking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I countercheck?
shall you countercheck?
shall he countercheck?
shall we countercheck?
shall you countercheck?
shall they countercheck? 	shall I be counterchecking?
shall you be counterchecking?
shall he be counterchecking?
shall we be counterchecking?
shall you be counterchecking?
shall they be counterchecking? 	shall I have counterchecked?
shall you have counterchecked?
shall he have counterchecked?
shall we have counterchecked?
shall you have counterchecked?
shall they have counterchecked? 	shall I have been counterchecking?
shall you have been counterchecking?
shall he have been counterchecking?
shall we have been counterchecking?
shall you have been counterchecking?
shall they have been counterchecking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not countercheck?
shall you not countercheck?
shall he not countercheck?
shall we not countercheck?
shall you not countercheck?
shall they not countercheck? 	shall I not be counterchecking?
shall you not be counterchecking?
shall he not be counterchecking?
shall we not be counterchecking?
shall you not be counterchecking?
shall they not be counterchecking? 	shall I not have counterchecked?
shall you not have counterchecked?
shall he not have counterchecked?
shall we not have counterchecked?
shall you not have counterchecked?
shall they not have counterchecked? 	shall I not have been counterchecking?
shall you not have been counterchecking?
shall he not have been counterchecking?
shall we not have been counterchecking?
shall you not have been counterchecking?
shall they not have been counterchecking?