Can someone check my work? I am a little confused with adverbs and prepositions....

Question

1.The portrait fell down. Down is an adverb
2. Someone fell down the steps. Down is a prep.
3.He tripped over the chair. over is a prep.
4. A dried flower arrangement fell over in the wind. over is a prep.
5. Don't jump off now! off is an adverb
6. The one year old jumped off the diving board. off is an adverb.
7. Before lunch we shopped at the new mall. before is and adverb.
8. Have you tried this product before? before is adverb
9. Do you live near to me? near is prep.
10. The old miner lived near the train station. near is the prep.
11. Go up the escalator and turn left. up is the prep.
12. Tiles in our bathroom came up. up is adverb
13. We will not go outside today. outside is prep
14. Outside the barn is an ancient tractor. out side is prep.
15. Come in please. in is adverb
16. In the middle of the night there was a storm. in is prep.

Thank you!!!

Answer 1

4, 6, 9 are wrong. The others are right.

Remember that a preposition begins a phrase that ends with a noun or pronoun.

Answer 2

Thank you Ms. Sue!

Answer 3

You're welcome, Oliver.