Yes. "The car that just passed was theirs" is grammatically correct.
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
The correct grammar is "you have just been." This structure follows the typical order of subject (you) + auxiliary verb (have) + adverb (just) + main verb (been).
The phrase "you and me" is not grammatically correct in traditional grammar. When referring to the subject of a sentence, it should be "you and I." However, in informal speech or certain contexts, "you and me" is commonly used.
The sentence "I got here just 2 minutes before their cut off time" is correct grammar.
For more than 20 years of existence i just now had the time to visit here is not a correct grammar.
I have / I've just seen you do it. (so none of your variants).
Yes, your grammar is correct. Your sentence "Just take care on your way home" is a polite way to tell someone to be safe while going home.
The colloquial phrase is "most probably" and in correct grammar is just "probably."
Patients' diabetes. (just spell or grammar check it)
"For so many years of existence i just now had the time to visit here" is not correct grammar "For many years of existence,I now have the time to visit here."
The sentence should be: "Is what you just listened to correct grammar?" This version correctly places the preposition "to" at the end of the question.
Since 'hoped' is past tense, the correct rendition would be "You hoped that the speaker of your iPhone was just broken."