PRESENT CONTINUOUS / PAST INDEFINITE / PRESENT PERFECT CONTINUOUS / PAST PERFECT CONTINUOUS
My English is really getting better. I (try) ____ to learn English since 1985, but only recently have I been able to make some real progress. By the time I started high school in 1988, I (study) ____ the language for almost three years; however I was only able to introduce myself and utter a few memorized sentences. For a couple more years, I (struggle) ____ through grammar and vocabulary lessons, which made absolutely no difference. Nothing worked, I decided to study abroad.
I found an exchange program in England that sounded like the perfect answer. I (stay) ____with a host family for one month. It was a huge disappointment! I (sit) ____ there the whole time staring at the host mother and father hoping that there would be some breakthrough.
When I returned, I mention to the friend that I (have) ____ problems with the language for years. He mentioned that I spend a year in an English speaking country. I decided to go abroad again. I research ____ exchange program for a couple of weeks and finally decided on a school in the United States.
Well, it worked. I (live) ____ and (study) ____ in the U.S.A or more than two years. I (stay) ____ here for at least another year before I return home. By then I should be completely fluent.