Can you help me check my grammar homework?

"Everyone brought their notebook to class today."

Incorrect. Correct is: "his or her." Everyone is singular. Yes, taken together there are multiple students, but the word and its construction (every ONE) is definitely singular. Also, in this construction "notebook" is singular. One notebook. One student for one notebook. If it were just one notebook for everyone, that'd mean that all the students owned that same single notebook.

"My social studies book has a stain of its cover."

Correct. It's one book, so it is "its." And it wouldn't be "it's"--that would mean "it is." You wouldn't say, "My book has a stain on it is cover."

Hope that helps.

Everyone brought their notebooks to class today

their flows better

My social studies book has a stain on its cover

Hi

"Everyone brought their notebook to class today."

this is correct

"My social studies book has a stain of its cover."

I would put

"My social studies book has a stain ON its cover."

Hope i helped

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Notebook should be notebooks because the subject is plural.

The rest is fine because you said of was a typo.

Everyone is a singular pronoun. Should be "his or her."

Second sentence is correct. "Its" is a neuter, possessive pronoun. It's is a contraction for it is or it has.

EDIT: I don't know why everyone is saying that the first sentence should be written with "their." That is totally wrong. Everyone is an indefinite, singular pronoun. "Their" is used colloquially, but "everyone...their" do not match in writing.

The general rule for pronouns is that they must agree in number and in gender. Everyone is singular, and their is plural. Clearly, these do not match.

It is actually their notebooks, because I assume each has their own, not one collective.

The second one is correct, except it's ON its cover.

"Their" is more appropriate than "his" or "her". So, let it be...

And your second sentence would be:

"My social studies book has a stain ON its cover."

Just cross-check with someone else to confirm if this is right.

You're welcome... :)

Errrrr Rip it up

One is correct, 2, as I'm sure you know, is just on instead of of. Welcie