1. This is a group of students who help the sick.
2. These are a group of students who help the sick.
3. This is a group of students who helps the sick.
4. These are a group of students who helps the sick.
(Which expressions are correct? Please focus on 'this' and 'help. Is 'group' a collective noun? Thank you.)
#3. This is singular as is group, a collective noun. The group it does help, is helping, helps.
These is plural so it would have to be "These groups"
Sra
1. This is a group of students who help the sick. OK
2. These are groups of students who help the sick.
3. This is a group of students who helps the sick. OK
4. These are groups of students who help the sick.
Out of the four given expressions, Option 1 and Option 3 are correct.
Explanation:
1. "This is a group of students who help the sick." - This expression is correct because it uses the singular form "this" to refer to a singular group. The verb "help" is in the plural form to agree with the plural noun "students" within the group.
2. "These are a group of students who help the sick." - This expression is not correct because it uses the plural form "these" to refer to a singular group. The correct form would be "This is a group."
3. "This is a group of students who helps the sick." - This expression is correct because it uses the singular form "this" to refer to a singular group. In this case, the verb "helps" is in the singular form because "group" is considered a collective noun, which can be treated as a singular entity.
4. "These are a group of students who helps the sick." - This expression is not correct because it uses the plural form "these" to refer to a singular group. The correct form would be "This is a group." Additionally, the verb "helps" should be in the plural form to agree with the plural noun "students" within the group.
To summarize, the correct expressions are Option 1: "This is a group of students who help the sick." and Option 3: "This is a group of students who helps the sick." Each utilizes the correct agreement between the pronoun "this," the verb "help/helps," and the noun "group."