shall
//ʃæl//
modal verb
1
Used to express the future tense, especially in formal contexts or with first person subjects (I/we).
We shall arrive at the station by noon.
2
Used to express determination, obligation, or a command, especially with second or third person subjects.
You shall obey the rules.
3
Used in questions with first person subjects to make offers or suggestions.
Shall I open the window?
4
Used in formal or legal contexts to express requirements or rules.
All employees shall comply with the company's safety regulations.