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preposition of pronunciation in American English /əv/ strongof pronunciation in American English /ɑv/
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  1. 1
    used for saying who or what has a particular feature, aspect, or quality
    We were impressed by the size of the building.
    the color of the sky
    I don’t remember the name of the street.
    the smell of unwashed clothes
    Synonyms and related words
  2. 2
    saying which specific thing
    1. a.
      used for saying which specific thing belonging to a more general type you are referring to
      I had a feeling of duty toward him.
      She seemed to like the idea of having children.
      the month of April
      the twin cities of Minneapolis and St. Paul
      Todd has the annoying habit of questioning everything I say.
      Synonyms and related words
    2. b.
      used for giving a specific age, amount, value, etc.
      She met Charles at the age of 20.
      She was a young girl of no more than 13.
      Lynn earns a salary of thirty thousand dollars a year.
      Teachers have been asking for a pay raise of 4 percent.
      Synonyms and related words
  3. 3
    saying who or what does something
    1. a.
      used after nouns that refer to actions for saying who or what does the action
      the shouts of excited children
      This is clearly the work of more than one person.
      the arrival of our train
      Synonyms and related words
    2. b.
      used after nouns that refer to actions for saying who or what is affected by the action
      the baptism of children
      The removal of the machine parts took several hours.
      Synonyms and related words
  4. 4
    used for saying who something belongs to
    the property of the residents
    They ended up living in the house of Jeanne’s oldest brother.
    Synonyms and related words
  5. 5
    concerning or showing someone or something
    She had a photograph of him beside her bed.
    It was a tale of war and bravery.
    a history of Russia
    Jerry kept thinking of the last time they’d met.
    I reminded her of her duty to her family.
  6. 6
    used for saying what something is part of
    He moved to the far side of the bed.
    a pain in the back of my head
    She sat on the edge of her chair.
    The roof of the church was damaged.
    Synonyms and related words
  7. 7
    containing or consisting of something
    1. a.
      used for saying what something contains
      He handed her a glass of water.
      a box of chocolates
      a bag of nuts
      Synonyms and related words
    2. b.
      used for saying what type of thing is in a particular quantity or group
      a pound of rice
      millions of insects
      a collection of poems
      a swarm of bees
      a succession of temporary jobs
      a pair of sunglasses
      Synonyms and related words
    3. c.
      used for talking about individual pieces of a substance
      a grain of sugar/sand
      a slice of cake
      a piece of wood/ice
      a sheet of paper
      Synonyms and related words
    4. d.
      used for saying what group a particular person or thing is from
      She’s one of my best friends.
      Three of us went on vacation together.
      Several of the apartments cannot even be lived in.
      Synonyms and related words
  8. 8
    used after names and titles for talking about the relationship between a person and a place or organization
    He listed the kings and queens of England.
    the President of Syria
    the treasurer of the club
  9. 9
    used for saying what substance is used for making something
    a suit of lightweight wool
    He was wearing a shirt of soft pink cotton.
    instruments made of stainless steel
    Synonyms and related words
  10. 10
    used for giving dates and periods of time
    the 27th of November
    the last month of the year
  11. 11
    used after some adjectives for saying a person or thing that a feeling is directed toward
    You should be ashamed of yourself!
    I’m tired of their constant arguing.
    Maya ought to be proud of him.
    Synonyms and related words
  12. 12
    used for saying what type of person or thing has been described by another noun
    He was an angel of a child.
    Synonyms and related words
  13. 13
    used for saying which person behaves in a particular way in a situation
    it was nice/sweet/stupid etc. of someone: It was nice of you to help me.
    It was stupid of me to think they would agree.
    Synonyms and related words
  14. 14
    American used in saying the time to mean a particular number of minutes before the hour
    It’s twenty of two (=1:40).
    It’s a quarter of nine (=8:45).
  15. 15
    used for saying what causes something
    the beneficial effects of red wine
    He died of lung cancer.
    As a result of pollution, many species have died out.
    Synonyms and related words
  16. 16
    used for mentioning a quality that someone or something has
    He was a man of great charm.
    The research will be of great interest to many people.
    Our conversation was of little importance.
    Synonyms and related words
  17. 17
    used for saying who wrote a book or play, produced a work of art, etc.
    the wonderful paintings of Picasso
    the plays of Tennessee Williams
  18. 18
    used for describing when something happens in relation to something else
    She didn’t invite him till the evening of the party.
    Eva’s father died the day of his 70th birthday.
  19. 19
    used for saying the period of time for which someone or something is the biggest, best, most important, etc.
    Reynolds was named businessman of the year in 1998.
    the most popular movie of the summer
  20. 20
    used for saying who has a particular relationship with someone else
    Lori is the daughter of my father’s sister.
    He was having an affair with the wife of a diplomat.
    a good friend of mine
    Synonyms and related words
  21. 21
    used for saying what type of activity or situation lasts for a particular period of time
    We had weeks of problems with the new computer system.
    Twelve years of peace were followed by two years of war.

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