• Be Able To for Ability

• Read and listen. Listen again and repeat.
• 
• We use be able to in a sentence to show ability.*  Be able to is more formal than can.

  
  

  subject + be able to + base verb

  
  

  - I am able tospeak three languages.

  - John is able toteach me more about administration.

  - They are able to work  as a team.

• She is able to meet you next week. If you are able to solve problems, you will be successful in your career.  I am able to submit my application tomorrow.

• * ability: The power or skill to do something.

 Source : Alison