Identify the sentence with correct Subject-Verb Agreement.

1. ক
   The Chairman, along with his board members, are attending the conference.
2. খ
   The Chairman, along with his board members, were attending the conference.
3. গ
   The Chairman, along with his board members, is attending the conference.
4. ঘ
   The Chairman, along with his board members, have been attending the conference.