English verb conjugation
SHALL SUM

Regular verb: sum - summed - summed

Affirmation

Simple form	V-ing form
I shall sum you shall sum he shall sum we shall sum you shall sum they shall sum	I shall be summing you shall be summing he shall be summing we shall be summing you shall be summing they shall be summing
Perfect	V-ing perfect
I shall have summed you shall have summed he shall have summed we shall have summed you shall have summed they shall have summed	I shall have been summing you shall have been summing he shall have been summing we shall have been summing you shall have been summing they shall have been summing

Negation

Simple form	V-ing form
I shall not sum you shall not sum he shall not sum we shall not sum you shall not sum they shall not sum	I shall not be summing you shall not be summing he shall not be summing we shall not be summing you shall not be summing they shall not be summing
Perfect	V-ing perfect
I shall not have summed you shall not have summed he shall not have summed we shall not have summed you shall not have summed they shall not have summed	I shall not have been summing you shall not have been summing he shall not have been summing we shall not have been summing you shall not have been summing they shall not have been summing

Interrogative form

Simple form	V-ing form
shall I sum? shall you sum? shall he sum? shall we sum? shall you sum? shall they sum?	shall I be summing? shall you be summing? shall he be summing? shall we be summing? shall you be summing? shall they be summing?
Perfect	V-ing perfect
shall I have summed? shall you have summed? shall he have summed? shall we have summed? shall you have summed? shall they have summed?	shall I have been summing? shall you have been summing? shall he have been summing? shall we have been summing? shall you have been summing? shall they have been summing?

Interro-negative form

Simple form	V-ing form
shall I not sum? shall you not sum? shall he not sum? shall we not sum? shall you not sum? shall they not sum?	shall I not be summing? shall you not be summing? shall he not be summing? shall we not be summing? shall you not be summing? shall they not be summing?
Perfect	V-ing perfect
shall I not have summed? shall you not have summed? shall he not have summed? shall we not have summed? shall you not have summed? shall they not have summed?	shall I not have been summing? shall you not have been summing? shall he not have been summing? shall we not have been summing? shall you not have been summing? shall they not have been summing?