English verb conjugation
SHALL TITTER

Regular verb: titter - tittered - tittered

Affirmation

Simple form	V-ing form
I shall titter you shall titter he shall titter we shall titter you shall titter they shall titter	I shall be tittering you shall be tittering he shall be tittering we shall be tittering you shall be tittering they shall be tittering
Perfect	V-ing perfect
I shall have tittered you shall have tittered he shall have tittered we shall have tittered you shall have tittered they shall have tittered	I shall have been tittering you shall have been tittering he shall have been tittering we shall have been tittering you shall have been tittering they shall have been tittering

Negation

Simple form	V-ing form
I shall not titter you shall not titter he shall not titter we shall not titter you shall not titter they shall not titter	I shall not be tittering you shall not be tittering he shall not be tittering we shall not be tittering you shall not be tittering they shall not be tittering
Perfect	V-ing perfect
I shall not have tittered you shall not have tittered he shall not have tittered we shall not have tittered you shall not have tittered they shall not have tittered	I shall not have been tittering you shall not have been tittering he shall not have been tittering we shall not have been tittering you shall not have been tittering they shall not have been tittering

Interrogative form

Simple form	V-ing form
shall I titter? shall you titter? shall he titter? shall we titter? shall you titter? shall they titter?	shall I be tittering? shall you be tittering? shall he be tittering? shall we be tittering? shall you be tittering? shall they be tittering?
Perfect	V-ing perfect
shall I have tittered? shall you have tittered? shall he have tittered? shall we have tittered? shall you have tittered? shall they have tittered?	shall I have been tittering? shall you have been tittering? shall he have been tittering? shall we have been tittering? shall you have been tittering? shall they have been tittering?

Interro-negative form

Simple form	V-ing form
shall I not titter? shall you not titter? shall he not titter? shall we not titter? shall you not titter? shall they not titter?	shall I not be tittering? shall you not be tittering? shall he not be tittering? shall we not be tittering? shall you not be tittering? shall they not be tittering?
Perfect	V-ing perfect
shall I not have tittered? shall you not have tittered? shall he not have tittered? shall we not have tittered? shall you not have tittered? shall they not have tittered?	shall I not have been tittering? shall you not have been tittering? shall he not have been tittering? shall we not have been tittering? shall you not have been tittering? shall they not have been tittering?