Errores comunes en writings

A continuación os pongo una lista de errores cometidos en writings. Como los errores se suelen repetir entre los alumnos una y otra vez, te propongo que intentes corregirlos en las siguientes oraciones. Voy a poner también las soluciones, por lo que una vez hecho el ejercicio, corrígelo a ver qué tal te ha salido. Si tienes dudas en cualquier oración, no dudes en dejarme un comentario para que te lo pueda explicar yo con mayor detalle.

Vamos allá!

1. I don’t speak english very well and I’m studying german
2. I explained them that I had worked as a chef
3. My level is intermediate and If I don’t practice my English, I will fail my exams
4. I regret not studying English in England before because If I have learnt English here I would have a better pronunciation
5. I decided come here to get a degree in Art
6. I have had some problems with these language recently
7. I think they won’t call me because in my opinion other people is better to the post
8. The questions were easies
9. I explained what I know about that job and what was the reason that made me send my CV
10. They’ve asked me what is the salary I’d like to earn
11. I would like to be teached by…
12. They were to much unfriendlies
13. They did a lot of questions
14. I have lived in London since 3 months ago
15. I offer in return to teach Spanish
16. I would like to know if someone does want to teach English?
17. What can I say you?
18. People didn’t know what was the sound
19. You really knew how hard this things are
20. They asked me. Where had I worked before? How long have I worked in Spain? If would do I like to move another country?

• KEYS

1. I don’t speak English very well and I’m studying German
2. I explained to them that I had worked as a chef
3. My level is intermediate and If I don’t practise my English, I will fail my exams. (Cabe indicar que la corrección es porque en inglés británico el verbo se escribe con s, pero en inglés americano, en cambio, se escribe con c, por lo que no habría nada que corregir)
4. I regret not studying English in England before because If I had learnt English here I would have a better pronunciation
5. I decided to come here to get a degree in Art
6. I have had some problems with this language recently
7. I think they won’t call me because in my opinion other people are better for the post
8. The questions were easy
9. I explained what I knew about that job and what  the reason that made me send my CV was
10. They’ve asked me what the salary I’d like to earn is
11. I would like to be taught by…
12. They were too unfriendly
13. They asked me a lot of questions
14. I have lived in London for 3 months
15. I offer to teach Spanish in return 
16. I would like to know if someone wants to teach English
17. What can I tell you?
18. People didn’t know what the sound was
19. You really knew how hard these things are
20. They asked me. Where had I worked before? How long have I worked in Spain? If would do I like to move another country?Así quedaría la número 20: They asked me where I had worked before, how long I have worked in Spain and if I would like to move to another country.