Yes.
Yes, the word journal is a common noun, A proper noun would be the name of a journal, for example, The Journal of the American Medical Association.
Yes.
The word 'journal' is a noun only in most dictionaries. However, I have been hearing the word journal used as a verb quite often and it may not be long before it is accepted as a verb and listed as a verb in dictionaries. Oxford University Press Dictionary was the only one with journal listed as a verb, others are sure to follow.
Yes.
Just the word "journal" is a noun, and therefore doesn't have a tense. Journal has come into use as a verb but it has not made it into the dictionary as a verb. I recommend the phrase 'made a journal entry' or 'wrote a journal' if you want to be correct.
Journ isn't a grammatical word.Do you mean adjourn? Adjourn is a verb.
That is the correct spelling of the proper noun, referring to the Journal Star, the name of newspapers in the cities of Lincoln (Nebraska) and Peoria (Illinois).
In "What are Robert and Sam writing in their math journal?" their is a possessive adjective and "math journal" is a noun phrase. You could could argue that math is an adjective if it were short for "mathematical".
yes. it can also be used as a verb. e.g. "I lettered out my thoughts in my journal."
yes. it can also be used as a verb. e.g. "I lettered out my thoughts in my journal."
No, wall is a common noun, a singular, concrete, common noun. The word wall is a proper noun only when it is part of a proper name or title such as Henry Wall, The Vietnam Memorial Wall, or the Wall Street Journal.
A proper noun is the name of a specific person, place, or thing.The common noun 'weekend' is a proper noun when it is part of a name, for example:Weekend Journal (weekly radio news program)"Weekend at Bernie's" (1989 movie)