Subject Verb Agreement: Tutorial

 Subject-Verb Agreement with Prepositional Expressions, Conjunctions, and Gerunds
The prepositional phrase that comes between a subject and a verb does not affect the subject -verb agreement.
      Prep Phrase
      Many books   on the subject of parenting   give valuable advice.
  
1) Prepositional expressions do not affect the subject-verb agreement.
together with along with
as well as accompanied by
  
The movie director, as well as his crew, is staying at a hotel.
  
The computer, along with the printer, is on the desk.
  
2) Subjects connected with the conjunction and take a plural verb.
  
Our bedroom and living room are spacious.
  
3) A gerund used as a subject takes a singular verb.
  
Gardening is a relaxing hobby.
  
4) The subject comes after the verb if a sentence begins with the expletive there. There takes either a singular or a plural verb depending on the subject. There is not the subject. 
  
V S
There   is   a   park   near our house.
V S
There   are   advantages   in owning a car.
  
Subject Verb Agreement - Prepositional Expressions - Expressions of Quantity