1 British used for saying what you intend to do in the future or what situation you expect to be in
I/we shall: I shall be busy all day tomorrow.
If he gets violent, I shall phone the police.
We shan’t be able to stay with you very long.
I think I shall have to postpone our little chat.
Over the next ten years we shall spend £25 billion on the health service.
shall have: By nightfall we shall have achieved our objectives.
Synonyms and related words