shall percuss
Regular verb: percuss - percussed- percussed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall percuss
you shall percuss
she shall percuss
we shall percuss
you shall percuss
they shall percuss 	I shall be percussing
you shall be percussing
she shall be percussing
we shall be percussing
you shall be percussing
they shall be percussing	I shall have percussed
you shall have percussed
she shall have percussed
we shall have percussed
you shall have percussed
they shall have percussed	I shall have been percussing
you shall have been percussing
she shall have been percussing
we shall have been percussing
you shall have been percussing
they shall have been percussing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not percuss
you shall not percuss
she shall not percuss
we shall not percuss
you shall not percuss
they shall not percuss 	I shall not be percussing
you shall not be percussing
she shall not be percussing
we shall not be percussing
you shall not be percussing
they shall not be percussing	I shall not have percussed
you shall not have percussed
she shall not have percussed
we shall not have percussed
you shall not have percussed
they shall not have percussed	I shall not have been percussing
you shall not have been percussing
she shall not have been percussing
we shall not have been percussing
you shall not have been percussing
they shall not have been percussing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I percuss?
shall you percuss?
shall she percuss?
shall we percuss?
shall you percuss?
shall they percuss? 	shall I be percussing?
shall you be percussing?
shall she be percussing?
shall we be percussing?
shall you be percussing?
shall they be percussing? 	shall I have percussed?
shall you have percussed?
shall she have percussed?
shall we have percussed?
shall you have percussed?
shall they have percussed? 	shall I have been percussing?
shall you have been percussing?
shall she have been percussing?
shall we have been percussing?
shall you have been percussing?
shall they have been percussing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not percuss?
shall you not percuss?
shall she not percuss?
shall we not percuss?
shall you not percuss?
shall they not percuss? 	shall I not be percussing?
shall you not be percussing?
shall she not be percussing?
shall we not be percussing?
shall you not be percussing?
shall they not be percussing? 	shall I not have percussed?
shall you not have percussed?
shall she not have percussed?
shall we not have percussed?
shall you not have percussed?
shall they not have percussed? 	shall I not have been percussing?
shall you not have been percussing?
shall she not have been percussing?
shall we not have been percussing?
shall you not have been percussing?
shall they not have been percussing?