Should

1.

(Used to express duty or obligation, a expected future event, a possible event used in FutureinthePast tenses of verbs with pronouns I or we auxiliary used after words expressing opinion intention) You shouldworkhard គួរតែ
Example: I should be glad to do for you, I should say that, They should be here soon.
Example: He should be here by now ត្រូវតែ, should he object ប្រសិនបើជា

1.

Used as an auxiliary verb, to express a conditional or contingent act or state, or as a supposition of an actual fact; also, to express moral obligation (see Shall); e.g.: they should have come last week; if I should go; I should think you could go.