That depends on how you're trying to use the word. See the sentences below for examples:
1) I have 30 students in my class.
2) I have 30 students' books in my class.
3) I have this student's homework slip.
Sentence one has an S because it is indicating plurality.
Sentence two has an apostrophe after the S because it is indicating plurality and possession.
Sentence three has an apostrophe S because it is indicating singular possession.
"Students' is used with an apostrophe at the end when it denotes possession by multiple students. For example, 'The students' desks were arranged in rows'."
That depends upon what you are trying to say. The plural of student is students, no apostrophe. If you wish to say that something belongs to a particular student, then it is the student's (book, or whatever). If you wish to say that something belongs to a group of students, then it is the students' (school, or whatever).
No, "Doc Adams" does not need an apostrophe unless it is possessive, such as "Doc Adams's bag."
do you need an apostrophe after the s in Koreans
No you don't! Horses does not need an apostrophe.
You don't need an apostrophe in that sentence. Studentsis a plural word, not a possessive.
Yes. The experiences belong to the students, so it needs an apostrophe. However, since it is plural, you put it after the final s. So, Most students' experiences...
The correct way to write the sentence is: "The students' books are on his desk." The apostrophe is placed after the "s" in "students" to show that the books belong to the students.
"Students' is used with an apostrophe at the end when it denotes possession by multiple students. For example, 'The students' desks were arranged in rows'."
Neither one. The apostrophe indicates possession or ownership. It would be plain students, with no apostrophe.
I am does not need an apostrophe. It is only when you make it into a contraction by dropping the a that you need the apostrophe. It becomes I'm in that situation.
No. The Cannons doesn't need an apostrophe.
No, Christmas Eve does not need an apostrophe.
That depends upon what you are trying to say. The plural of student is students, no apostrophe. If you wish to say that something belongs to a particular student, then it is the student's (book, or whatever). If you wish to say that something belongs to a group of students, then it is the students' (school, or whatever).
An apostrophe indicates possession or attribute (something about a noun).The singular is student's -- belonging to a student (e.g. the student's locker).The plural is students' -- belonging to more than one (e.g. the students' lockers).
No, because plurals do not need an apostrophe.
As a plural, for more than one dad; no, does not need an apostrophe. As a possessive, as in the item belonging to dad, then yes, it does need an apostrophe.