By 
Maureen Stimola Last updated:
Maureen Stimola Last updated: Concordancia sujeto-verbo
The cost of all these items have risen.
Correct! Wrong!
The cost of all these items HAS risen.
Each of the suspects was arrested.
Correct! Wrong!
The boss and his secretary has disappeared.
Correct! Wrong!
The boss and his secretary HAVE disappeared.
Neither his father nor his mother are alive.
Correct! Wrong!
Neither his father nor his mother IS alive.
The success or failure of the project depends on the team.
Correct! Wrong!
James could packs his lunch for work.
Correct! Wrong!
James could PACK his lunch for work.
Allison and I walks up the hill every Monday evening.
Correct! Wrong!
Allison and I WALK up the hill every Monday evening.
