1 a That scooter isn't my. so I don't use it .
   b That scooter isn't nine, so I don't use it.
2 a He showed my how the club works. 
   b He showed me how the club works.

We use my, your, his, her, its, our and their with a noun: 
 is the smallest.
She left  on the train.

We can use mine instead of my + noun when we refer to the same thing again in a sentence. Remember that we use yours, his, hers, ours, theirs in the same way: 
The smallest bedroom is . The largest one is .

We use me, you, him, her, it, us, them:
• as the object of a verb:
   I hope you'll  a surprise.
• after a preposition such as for, to, with: 
   The teacher had some advice 



1 The coach told __ me __ that I'm a good player.
2 My sister painted the furniture because it's ____ .
3 We bought two maps, but only one was for ____ . 
4 My mum left a message on my mobile, so I phoned ____  back.
5 The students asked their teacher and she let ____  go.
6 My boyfriend phoned and I told ____  about my exam.
7 My friend's got a new camera, but I prefer ____ . 
8 Here are your certificates, but we can't find ____ .