should
verb
[ ʃʊd ]
• used to indicate obligation, duty, or correctness, typically when criticizing someone's actions.
• "he should have been careful"
• used to indicate what is probable.
• "£348 m should be enough to buy him out"
• (expressing the conditional mood) referring to a possible event or situation.
• "if you should change your mind, I'll be at the hotel"
• used in a clause with ‘that’ after a main clause describing feelings.
• "it is astonishing that we should find violence here"
• used in a clause with ‘that’ expressing purpose.
• "in order that training should be effective it must be planned systematically"
• (in the first person) expressing a polite request or acceptance.
• "I should like some more, if I may"
• (in the first person) expressing a conjecture or hope.
• "he'll have a sore head, I should imagine"
• used to emphasize to a listener how striking an event is or was.
• "you should have seen Marge's face"
Origin:
Old English sceolde : past of shall.
