Find the mistake

[GALAXYY]

1-he took my book an i took them by mistake
2-genetic modified crops are said to be not completely healthy
3-we arrived in time thanks for his good driving
4-thecar i bought last week needs to mend
5-he was giveen a prize on his birthday
6-please let me to know what is going on
7-you need 'nt take the medicine any more .you are good than yesterday
he has a lot of money , hasn "t he
9-did the letter send yesterday?
10-ten workers were imprisoned in the mine while prospecting for minerals

thanksssssssssssssssssssssssssssssssssssssssssssss s
galaxyy