English verb conjugation
SHALL GAS

Regular verb: gas - gassed - gassed

Affirmation

Simple form	V-ing form
I shall gas you shall gas he shall gas we shall gas you shall gas they shall gas	I shall be gassing you shall be gassing he shall be gassing we shall be gassing you shall be gassing they shall be gassing
Perfect	V-ing perfect
I shall have gassed you shall have gassed he shall have gassed we shall have gassed you shall have gassed they shall have gassed	I shall have been gassing you shall have been gassing he shall have been gassing we shall have been gassing you shall have been gassing they shall have been gassing

Negation

Simple form	V-ing form
I shall not gas you shall not gas he shall not gas we shall not gas you shall not gas they shall not gas	I shall not be gassing you shall not be gassing he shall not be gassing we shall not be gassing you shall not be gassing they shall not be gassing
Perfect	V-ing perfect
I shall not have gassed you shall not have gassed he shall not have gassed we shall not have gassed you shall not have gassed they shall not have gassed	I shall not have been gassing you shall not have been gassing he shall not have been gassing we shall not have been gassing you shall not have been gassing they shall not have been gassing

Interrogative form

Simple form	V-ing form
shall I gas? shall you gas? shall he gas? shall we gas? shall you gas? shall they gas?	shall I be gassing? shall you be gassing? shall he be gassing? shall we be gassing? shall you be gassing? shall they be gassing?
Perfect	V-ing perfect
shall I have gassed? shall you have gassed? shall he have gassed? shall we have gassed? shall you have gassed? shall they have gassed?	shall I have been gassing? shall you have been gassing? shall he have been gassing? shall we have been gassing? shall you have been gassing? shall they have been gassing?

Interro-negative form

Simple form	V-ing form
shall I not gas? shall you not gas? shall he not gas? shall we not gas? shall you not gas? shall they not gas?	shall I not be gassing? shall you not be gassing? shall he not be gassing? shall we not be gassing? shall you not be gassing? shall they not be gassing?
Perfect	V-ing perfect
shall I not have gassed? shall you not have gassed? shall he not have gassed? shall we not have gassed? shall you not have gassed? shall they not have gassed?	shall I not have been gassing? shall you not have been gassing? shall he not have been gassing? shall we not have been gassing? shall you not have been gassing? shall they not have been gassing?