It would be easier for you to see corrections in the NOTES section, but I will correct any errors below each sentence. Most of the corrections are very minor. I hope this helps. :-) Do I correct use these words? Do I use these words correctly? 1. Do you have an access to that information? Do you have access to that information? 2. He has done the job edequite fast. He has done the job quickly. 3. This approach is better. (perfect!) 4. This approach not as easy as other. This approach is not as easy as the other. 5. Why did you assume that I smoke? Why did you assume I smoke? 6. I acquired a lot of skills while I worked with people who professionals in that sphere. I acquired a lot of skills while I worked with people who were professionals in that sphere. 7. The gun indicates you killed her. (Good, but "..indicates that you killed her..." is more commonly used) 8. My house can't accomodate more than ten guest. My house can't accommodate(spelling) more than ten guests. 9. Some people want to have an authority over ontep people. Some people want to have authority over other people. 10. An authority can't make him happier. (I'm not sure what this means; perhaps, "Giving him authority can't make him happier."?) 11. This mechanism works accurate enough. This mechanism works accurately enough. 12. I can't find any diffinition of this word. I can't find any definition(spelling) for this word. 13. There is a lot of evidence that somebody live here. (Grammatically correct, but it does not sound natural. I would say, "There is a lot of evidence showing that someone lives here." ) 14. USSR and the USA has played maijor role in second world war. The USSR and the USA played a major(spelling) role in the second world war. 15. Our income not as big to travel a lot. Our income does not allow us to travel a lot. 16. I can't identify who is who. (A nice phrase, but American's usually say, "...who's who." There is no good reason; it's just common usage.)