Definition, synonyms and related words
Used before a verb to indicate the simple future tense in the first person singular or plural.
"We shall meet again next summer."
In plain English: Shall is used to say that something must happen, often when making rules or asking for opinions about future plans.
"Shall we go for a walk this afternoon?"
Shall comes from Old English sċeal, which originally meant "should" or "must." This word traces its roots back to a Proto-Indo-European root meaning "to owe" or "be under obligation."