shall overfish
Regular verb: overfish - overfished- overfished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall overfish
you shall overfish
she shall overfish
we shall overfish
you shall overfish
they shall overfish 	I shall be overfishing
you shall be overfishing
she shall be overfishing
we shall be overfishing
you shall be overfishing
they shall be overfishing	I shall have overfished
you shall have overfished
she shall have overfished
we shall have overfished
you shall have overfished
they shall have overfished	I shall have been overfishing
you shall have been overfishing
she shall have been overfishing
we shall have been overfishing
you shall have been overfishing
they shall have been overfishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not overfish
you shall not overfish
she shall not overfish
we shall not overfish
you shall not overfish
they shall not overfish 	I shall not be overfishing
you shall not be overfishing
she shall not be overfishing
we shall not be overfishing
you shall not be overfishing
they shall not be overfishing	I shall not have overfished
you shall not have overfished
she shall not have overfished
we shall not have overfished
you shall not have overfished
they shall not have overfished	I shall not have been overfishing
you shall not have been overfishing
she shall not have been overfishing
we shall not have been overfishing
you shall not have been overfishing
they shall not have been overfishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I overfish?
shall you overfish?
shall she overfish?
shall we overfish?
shall you overfish?
shall they overfish? 	shall I be overfishing?
shall you be overfishing?
shall she be overfishing?
shall we be overfishing?
shall you be overfishing?
shall they be overfishing? 	shall I have overfished?
shall you have overfished?
shall she have overfished?
shall we have overfished?
shall you have overfished?
shall they have overfished? 	shall I have been overfishing?
shall you have been overfishing?
shall she have been overfishing?
shall we have been overfishing?
shall you have been overfishing?
shall they have been overfishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not overfish?
shall you not overfish?
shall she not overfish?
shall we not overfish?
shall you not overfish?
shall they not overfish? 	shall I not be overfishing?
shall you not be overfishing?
shall she not be overfishing?
shall we not be overfishing?
shall you not be overfishing?
shall they not be overfishing? 	shall I not have overfished?
shall you not have overfished?
shall she not have overfished?
shall we not have overfished?
shall you not have overfished?
shall they not have overfished? 	shall I not have been overfishing?
shall you not have been overfishing?
shall she not have been overfishing?
shall we not have been overfishing?
shall you not have been overfishing?
shall they not have been overfishing?