Can you please VERSUS Should you please

[Tommy]

English Grammar Tests, Elementary Level

ESL/EFL Test #49 "Modal Verb Questions", question 3

......... you please bring me my notebook?

(a) Should
(b) Do
(c) Can
(d) Haven't

English Grammar Tests, Elementary Level

ESL/EFL Test #49 "Modal Verb Questions", answer 3

Can you please bring me my notebook?

Correct answer: (c) Can

Your answer was: incorrect
Should you please bring me my notebook?
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why use should is wrong?

please explain, thank you.
Tommy

[Alan]

Hi,

In the sentence in the test you need can because you are really saying: Is it possible for you to ...?

Should you? changes the whole meaning and suggests ought you to? Is it right for you to? Both those don't make sense in that sentence.

Alan
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English as a Second Language
You can read my ESL story In Order