That's possible because "should do" has a number of different meanings depending on context of the phrase and sentence.
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Replying to @russel_winder
Maybe? But most or all of them have a normative element to them that "would benefit from" doesn't.
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Replying to @DRMacIver @russel_winder
"must" is more normally normative, even though they overlap in meaning obviously. I tend to use "should do" more
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Replying to @o_guest @russel_winder
Yeah,
@robsmallshire pointed out that https://www.ietf.org/rfc/rfc2119.txt is actually a pretty good guide to levels here.1 reply 0 retweets 0 likes -
a normative guide to language nothing wrong with that
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In a certain sense a language *is* a normative guide to how to make noises and marks on paper. ;-)
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I think pragmatics of normative are being relaxed now to the point of losing a lot of semantics
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Replying to @o_guest @DRMacIver and
yes, language has a set of rules (grammar) but the rules themselves are not subject to strict rules
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Replying to @o_guest @DRMacIver and
even French users say le weekend to the chagrin (see what I did there) of the French academy
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Replying to @o_guest @DRMacIver and
anyway, I do agree with you. I just pointed out a meaning of should that esp USA English (I think)
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doesn't make accommodation for usually, hence confusion.
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