shall

verb

1. (modal auxiliary verb, defective) Used before a verb to indicate the simple future tense, particularly in the first person singular or plural.

- I shall sing in the choir tomorrow.

2. Used similarly to indicate determination or obligation, particularly in the second and third persons singular and plural.

- (determination): You shall go to the ball!

- (obligation): Citizens shall provide proof of identity.

3. Used in questions to suggest a possible future action.

- Shall we go out later?

4. (obsolete) To owe.