1. Complete the sentences by adding either an apostrophe (’) or ’s to form the possessive case of the corresponding nouns

  1. John hat.
  2. Thomas hat.
  3. The SIS mission in the UK.
  4. The FBI mission in the USA.
  5. The CEOs decision on the project.
  6. The workers frustration with the lack of adequate equipment.

2. Put an apostrophe (’) or ’s in one of the nouns in each following pair to form a possessive case. You may need to put the nouns in the correct order

  1. Mary - husband
  2. children - Aron
  3. food - cat
  4. mother - love
  5. condition - health
  6. food - cats
  7. magazines - women

3. In each of the following pairs, put one of the nouns in the possessive case by using the ’s structure or the preposition of (when necessary only). You may need to put the nouns in the correct order

  1. A group - teenagers
  2. The gravity - theory
  3. The mountain - top
  4. baby - head
  5. babies - food
  6. head - department

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