Error analysis: review of verb tenses. (Chapters 1 - 4)

1. I am studying here since last January.
2. By the time I return to my country, I am away from home for more than three years.
3. As soon as I will graduate, I going to return to my hometown.
4. By the end of the 21st century, scientists will had discovered the cure for the common cold.
5. I want to get married, but I don’t meet the right person yet.
6. I have been seeing that movie three times, and now I am wanting to see it again.
7. Last night, I have had dinner with two friend. I knew both of them for a long time.
8. I am not like my job at the restaurant. My brother wants me to change it. I am thinking he is right. ).
9. So far this week, the teachers are giving us a lot of homework every day.
10. There are more than forty presidents of the United States since it became a country. George Washington had been the first president. He was become the president in 1789.
11. While I will be studying tonight, I’m going to listen to Beethoven’s Seventh Symphony.
12. We washed the dishes and clean up the kitchen after our dinner guests were leaving.
13. My neighbors are Mrs. Ana and Mrs. Jones. 1 know them ever since 1 am a child.
14. It’s raining tomorrow morning.
15. Many scientists believe there is a major earthquake in California in the next few years.
16. When I got home to my apartment last night. I use my key to open the door as usual. But the door didn’t open. 1 trying my key again and again with no luck. So I am knocking on the door for my wife to let me in. Finally the door opens, but I don’t saw my wife on the other side. I saw a stranger. I had been try to get into the wrong apartment! I quickly apologizing and am went to my own apartment.