It would be better to add "have." The concert to which you have just listened was the same one you once heard as a child.
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
Both are correct. Most people use the latter.
The correct grammar is: "Are those correct?"
The correct grammar for this sentence is: "When did you send it?"
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
Both are correct. Most people use the latter.
Yes. "The car that just passed was theirs" is grammatically correct.
No, it is correct grammar, not a correct grammar.
The correct grammar is: "Are those correct?"
"On a train" is correct grammar.
The correct grammar for this sentence is: "When did you send it?"
The sentence "I got here just 2 minutes before their cut off time" is 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'.
No, the correct grammar would be "I hate you the way you hate me."
The correct way to phrase this question is: "Is my mother and I correct grammar?"