Past perfect,,,is it correct to say had you had?

You might be right, butI'm no English teacher. That whole thing just looks odd to me. I've never heard anyone ask it like that. It's usually "Have you had" or "Did you have".

"Had you had breakfast before you came here?" is not ungrammatical but it involves some very tortuous implications about time which I find it impossible to explain here. It is likely that it simply sounds 'awkward' because of the repetition of 'had'. It would be more usual to ask: "Did you have breakfast before you came here?" The construction "Had you had ..." would be more common in the context of a conditional clause ("Had you had breakfast ..." = "If you had had breakfast ..."), which would not be formulated as a question. "Had you finished your breakfast before you came here?" is perfectly correct and does not jar the ears or sound awkward in the way that the other sentence does but it is still a little awkward. Again, it would be more usual to say "Did you finish your breakfast before you came here?"

It should be have you had. There are so many people who aren't very familiar with the English language but I give them so much credit for doing the best they can. Sometimes I don't understand what they are trying to say so I read it a couple of times hoping to figure it out.

hi Manasha that is wrong as far as I know., You do not say Had you had your breakdfast as that is wrong if you are asking a question t now. You would say have you had your breakfast. Now if you were making a statement you could say " Had you had your breakfast then you would not be hungry now" that is past perfect and used correctly.But you cannot ask a question that way it has to have have not had.

It is a grammatically correct sentence. Past perfect is used to differentiate between two verbs in the past and 'had' is used for the purpose. 'Had' is used with the verb which is more past. Here the question is whether you had breakfast and then came here. If you split the sentence it would be - 1.you had breakfast; 2you came here. So the taking of breakfast happened before your coming and past perfect is to be used to specify which occurred first.

Like the other mylotters says, it's supposed to be 'HAVE YOU HAD...', you is plural, therefore you should also use a plural verb. HAD is the past participle for HAS.