1.Many doctors say teenagers undergo many physical and mental changes during their puberty.

2.Sometimes my mother tells me that i don't have to be so tense

3.Peter said if he pass this test, his father would buy him a new skateboard

4.Peter said if he pass this test, his father would buy him a new skateboard.

5. I told my teacher that I had forgotten to do my homework

6. Jim said Mr. Brown owned two cars and three houses.

7.She said to me that she couldn’t do it by herself.

8.My mother said she would go on a business trip the following week.

1.Many doctors say teenagers undergo many physical and mental changes during their puberty.

2.Sometimes my mother tells me that i don't have to be so tense

3.Peter said if he pass this test, his father would buy him a new skateboard

4.Peter said if he pass this test, his father would buy him a new skateboard.

5. I told my teacher that I had forgotten to do my homework

6. Jim said Mr. Brown owned two cars and three houses.

7.She said to me that she couldn’t do it by herself.

8.My mother said she would go on a business trip the following week.

1: Many doctors say that teenagers undergo many physical and mental changed during their puberty

2: Sometimes my mother tells me that I didn’t have to be so tense

3: Peter said that he was looking forward to his grandfather’s gift

4: Peter said that if he passed that test, his father would buy him a new skateboard

5: I told my teacher that I had forgotten to do my homework

6: Jim said that Mr. Brown owned 2 cars and 3 houses

7: She said to me that she couldn’t do it by herself

8: My mother said that she would go on a business trip the following week

9: My manager said that someone had broken into their office the previous day

10: He told me that I might have trouble if I didn’t do my homework

11: The singer said that he started his career 3 years ago

12: Jim told me that it is not his book, it’s mine

13: Ann said to me that she had just received a postcard from her foreign friend

14: He said that that story happened long ago

15: Peter said that he hoped it would be sunny the following day