posted by rfvv .
1. A group of students help the sick.
2. A group of students helps the sick.
(What is the difference between the two sentence? If both are grammatical, aren the following correct as well? )
3. This is a group of students.
4. These are a group of students.
5. These students are a group of
6. Look at the students who are a
group of strong people.
#2 is correct. #1 is incorrect.
The word "group" is the subject and it's singular; therefore, you need the singular form of the verb -- "helps."
#3 is correct.
#4 is incorrect.
#5 is correct; the word "students" (plural) is the subject.
#6 is correct.