EWS 7:The Apostrophe

1. We use an apostrophe to show possession or to show that one thing is part of another. It means of or of the.
2. We use an apostrophe with people, some common animals and a few expressions like these
     a day's
     a week's
     a month's
     an hour's

3. the boys' bicycles
    my uncle's house
    Aris's house

4. We must use of or of the for most things which are not human beings
    the branches of the tree