Subject-verb agreement means that your verb must be conjugated, or changed, to fit (or agree) with the subject. Subjects can be singular or plural. Think of singular and plural as mathematical ...

Mayor Carlson, along with his deputies, plan to visit the memorial. Mayor Carlson, along with his deputies, plans to visit the memorial. Which is right? Plan or plans? And, more important, why is this ...

“Every one of us have a role to play” or “Every one of us has a role to play”? “A bunch of students were waiting outside” or “a bunch of students was waiting outside”? “It is I who am here” or “It is ...