Question

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.)

Answer 1

#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

Answer 2

1. This is a group of students who help the sick. <b>OK</b>

2. These are <b>groups</b> of students who help the sick.

3. This is a group of students who helps the sick. <b>OK</b>

4. These are <b>groups</b> of students who <b>help</b> the sick.