Dear Meritnation, pls correct my grammar mistake.
1. I predict that by 2020, man will land on Mars.
2. She had left the office very early last night.
3. Have you ever baked your own bread?- Yes, I had tried it when I was in High School but I have no baked anything since then.
4. George had fallen off the ladder while he painted the ceiling.
5. When I reached the park I found out that I lost my keys.
6. When I had arrived she was having lunch. She said that she always have lunch at 12:30.

Plscorrect these sentences and send me as soon as possible

1. I predict that by 2020, man will land on Mars.
I predict that by 2020, man will have landed
2. She had left the office very early last night.          
She left the office very early last night.
3. Have you ever baked your own bread?- Yes, I had tried it when I was in High School but I have no baked anything since then.
But I have not baked anything since then.
4. George had fallen off the ladder while he painted the ceiling.
George fell off the ladder while he was painting the ceiling
5. When I reached the park I found out that I lost my keys.
When I reached the park I found out that I had lost my keys
6. When I had arrived she was having lunch. She said that she always have lunch at 12:30.
She said that she always had lunch at 12.30