Should ( modal verb , noun )

(As a modal verb)

Should ( modal verb )

1. Used to indicate obligation, duty, correctness, or advisability.
2. Used to indicate what is probable.
3. Used to indicate what is conditional on another circumstance.
4. Used to indicate a polite request or instruction.
5. Used to express a hypothetical situation or a future event that is contingent on something else.

Origin:

Old english sculan, from proto-germanic *skulaną, from proto-indo-european *skel-, *skol-, *skelǝ- (“to owe, be obliged”), related to old norse skulu (“to owe, be obliged”), old frisian skil (“debt, obligation”), dutch schuld (“guilt, debt”), german schuld (“guilt, debt”), gothic (skulan, “to owe, be obliged”).

Examples:

1. You should study more if you want to pass the exam.
2. It should rain later today.
3. If he should arrive early, please let me know.
4. You should speak to the teacher about the assignment.
5. If you should see her, tell her I said hello.

(As a noun)

Should ( noun )

1. Used to indicate obligation, duty, correctness, or advisability.
2. Used to indicate what is probable.
3. Used to indicate what is conditional on another circumstance.
4. Used to indicate a polite request or instruction.
5. Used to express a hypothetical situation or a future event that is contingent on something else.

Origin:

Old english sculan, from proto-germanic *skulaną, from proto-indo-european *skel-, *skol-, *skelǝ- (“to owe, be obliged”), related to old norse skulu (“to owe, be obliged”), old frisian skil (“debt, obligation”), dutch schuld (“guilt, debt”), german schuld (“guilt, debt”), gothic (skulan, “to owe, be obliged”).

Examples:

1. You should study more if you want to pass the exam.
2. It should rain later today.
3. If he should arrive early, please let me know.
4. You should speak to the teacher about the assignment.
5. If you should see her, tell her I said hello.