What is wrong?

1. Then I had bought the bike, I thanked my father
2. When it rains, everthing get wet 
3. The boat was filled with american soldiers that have returned home from war.
4. There stood a float of people and waited on alongside the quay
5.  I am very good at english
6. I like learning new things. It doesn´t matter if it´s english or danish
7. I have it easier with  talking english than danish
8. I like english a lot because i find it challenging
9. I hope you have it well in London
10. He had really been looking forward to trying his new bike..