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What are the possible structures that follow the phrase: let somebody know. For example, is "Let me know your opinion" correct?

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up vote 3 down vote accepted

The McGraw-Hill Dictionary of American Idioms and Phrasal Verbs has the entry:

let someone know (about something) to tell someone something; to inform someone of something.

Please let me know about it soon. Will you be coming to the picnic? Please let me know.

There are various common structures:

Please let me know about it. / Please let me know.

Let me know what you think. // Let me know what/how you feel about it. // Let me know if you are coming.

Let me know your name/favourite song // answer // thoughts/opinion/heart/preference/take on this matter/... This apparently ditransitive construction is really a shortening of the related wh-clause 'Let me know what your name is' etc.

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thank you very much, Edwin.You were very helpful.Vic – Vic Jun 13 '13 at 18:07

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