Read
The words my, your, his, her, its, our, their are called possessive determiners.Usethese words before nouns to say who something belongs to.
 These are my shoes |
 That is our bird |
 You can take your guitar |
 The dentist asked his patient to open her mouth |
Examples
Is this your house?Robert, your handwriting is difficult to read.
Michael is showing his tortoise to his friends.
My sister lost her way in the city.
The lion is chasing its prey.
Possessive case
We use 's with one person or animal.And ..
We use s' with more than one person or animal.
 This is Bob's house |
 those are the boys' books |
 these are Ben's and Joe's bikes |
 It's Mona's new dress |
