Top 5 Most Common Prepositions:

1. of
2. ​​​​to
3. in
4. for 
5. with 
   
   

Prepositional Phrase:
Begins with a preposition and ends right before the verb. Examples of prepositional phrases are underlined below:

• The old book with the worn out cover was read many times.
• ​The ring in the store front window is very pretty. 
  
  

 Eliminate the prepositional phrase to help identify the subject:

• The list of books (is/are) very important.
  • The list is very important.
  • The subject (list) is singular so the verb (is) should also be singular.
    
    
• My grades in physics (has/have) been improving.
  • My grades have been improving.
  • The subject (grades) is plural so the verb (have) should also be plural.
     
• The noise from the fireworks (was/were) frightening my dog.
  • The noise was frightening my dog.
  • The subject (noise) is singular so the verb (was) should also be singular.