[ʃʊd], (Verb)

Definitions:
- used to indicate obligation, duty, or correctness, typically when criticizing someone's actions
(e.g: he should have been careful)

- used to indicate what is probable
(e.g: £348 m should be enough to buy him out)

- (expressing the conditional mood) referring to a possible event or situation
(e.g: if you should change your mind, I'll be at the hotel)

- used in a clause with ‘that’ after a main clause describing feelings
(e.g: it is astonishing that we should find violence here)

- used in a clause with ‘that’ expressing purpose
(e.g: in order that training should be effective it must be planned systematically)

- (in the first person) expressing a polite request or acceptance
(e.g: I should like some more, if I may)

- (in the first person) expressing a conjecture or hope
(e.g: he'll have a sore head, I should imagine)

- used to emphasize to a listener how striking an event is or was
(e.g: you should have seen Marge's face)


Phrases:

Origin:
Old English sceolde: past of shall