shall extinguish
Regular verb: extinguish - extinguished- extinguished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall extinguish
you shall extinguish
he shall extinguish
we shall extinguish
you shall extinguish
they shall extinguish 	I shall be extinguishing
you shall be extinguishing
he shall be extinguishing
we shall be extinguishing
you shall be extinguishing
they shall be extinguishing	I shall have extinguished
you shall have extinguished
he shall have extinguished
we shall have extinguished
you shall have extinguished
they shall have extinguished	I shall have been extinguishing
you shall have been extinguishing
he shall have been extinguishing
we shall have been extinguishing
you shall have been extinguishing
they shall have been extinguishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not extinguish
you shall not extinguish
he shall not extinguish
we shall not extinguish
you shall not extinguish
they shall not extinguish 	I shall not be extinguishing
you shall not be extinguishing
he shall not be extinguishing
we shall not be extinguishing
you shall not be extinguishing
they shall not be extinguishing	I shall not have extinguished
you shall not have extinguished
he shall not have extinguished
we shall not have extinguished
you shall not have extinguished
they shall not have extinguished	I shall not have been extinguishing
you shall not have been extinguishing
he shall not have been extinguishing
we shall not have been extinguishing
you shall not have been extinguishing
they shall not have been extinguishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I extinguish?
shall you extinguish?
shall he extinguish?
shall we extinguish?
shall you extinguish?
shall they extinguish? 	shall I be extinguishing?
shall you be extinguishing?
shall he be extinguishing?
shall we be extinguishing?
shall you be extinguishing?
shall they be extinguishing? 	shall I have extinguished?
shall you have extinguished?
shall he have extinguished?
shall we have extinguished?
shall you have extinguished?
shall they have extinguished? 	shall I have been extinguishing?
shall you have been extinguishing?
shall he have been extinguishing?
shall we have been extinguishing?
shall you have been extinguishing?
shall they have been extinguishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not extinguish?
shall you not extinguish?
shall he not extinguish?
shall we not extinguish?
shall you not extinguish?
shall they not extinguish? 	shall I not be extinguishing?
shall you not be extinguishing?
shall he not be extinguishing?
shall we not be extinguishing?
shall you not be extinguishing?
shall they not be extinguishing? 	shall I not have extinguished?
shall you not have extinguished?
shall he not have extinguished?
shall we not have extinguished?
shall you not have extinguished?
shall they not have extinguished? 	shall I not have been extinguishing?
shall you not have been extinguishing?
shall he not have been extinguishing?
shall we not have been extinguishing?
shall you not have been extinguishing?
shall they not have been extinguishing?