Need Major Help with these sentences. Having trouble

Could someone take a look at the following sentences please? My correction are in bold.

1 This scab is from (the day) when I hurt myself. (are the brackets optional?) Brackets optional

2 Knowing him, he probably gave me a fake for my birthday. OK

3 I came out the pool and water dripped all over the furniture as I walked in the house. OK

4 The owner shut down the company at the expense of all the employees. I don't know

5 Prisonners should look at this as a second chance ; being able to go home and be on house arrest. OK

6 I bought it for cheap. OK

7 He said for you to come up to his office. OK

8 I’ll never know what I could have had with him if we don’t get married. OK

9 Are one of you JOHN ? IS one of you John?

10 It hard for me to come out here since I live so far away. OK

11 How many days does he have left (to live) ? Brackets optional OK

12 As she’s grown, I’ve grown to like the fact that I had a girl not a boy. I don't know





Thanks