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No, but unravelling the correct usage here is tricky. Normally the verb agrees with the closest subject, which would yield You or I am mistaken, which sounds wrong; and so some people will say You or I are, which is barbarous but does not sound that wrong since we are used to hearing the equally barbarous "aren't I" ( which is a mistake inspired by reluctance to use the more correct but decidedly non-standard "ain't I"). Careful speakers will say Either you are mistaken or I am.
What else can I help you with?
Is had got correct grammar?
No. The correct form is "got", without the "had". Example, I got what I wanted.
Is either you or I is wrong a correct gramma?
The correct grammar would be "Either you or I am wrong." This form matches the subject-verb agreement between "you" and "I."
Is will be had correct grammar?
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
Which is correct grammar - all who attend or all that attend?
Either form is acceptable.
Is I shall depart with you correct grammar?
I would say it was. It could be phrased- With you I shall depart. Either would be correct.
See you after an hour and a few minutes is a correct grammar?
No, it is correct grammar, not a correct grammar.
Is those are they correct grammar?
The correct grammar is: "Are those correct?"
Is 'on a train' correct grammar?
"On a train" is correct grammar.
When did you sent is this the correct grammar?
The correct grammar for this sentence is: "When did you send it?"
Does the sentence you do do that have correct grammar?
no_____If the sentence is You do do that (meaning You are in the habit of doing that) the grammar is perfectly correct and the sentence 'does have correct grammar'.
Is this a correct grammar i hate you the way you hate me?
No, the correct grammar would be "I hate you the way you hate me."
Is july has just been started a correct grammar?
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
