Shall,

Definition of Shall:

1. Expressing a strong assertion or intention.

2. Expressing an instruction or command.

3. Used in questions indicating offers or suggestions.

4. (in the first person) expressing the future tense.

5. In strict legal sense: mandatory, is required to, has a duty to.

How to use Shall in a sentence?

1. Shall I send you the book?.
2. This time next week I shall be in Scotland.
3. They shall succeed.
4. You shall not steal.