Present perfect continuousform the negative and the interrogative.1. he has been working for hours.2. they have been studying since five o'clock.3. she has been learning english for two years.4. maria has been playing the guitar all day.5. i have been looking for my keys all day.6. his grandparents have been living in this house for forty years.7. helen has been washing the car since two o'clock.8. the baby has been sleeping all morning...9. we have been working here for many years.10. it has been snowing for two hours ​

Well, kinda differs, from person to person. For instance, I have friends who do love cross-fit, sprinting or football. Ofcourse, football is the most popular of them, because it is not something really exhausting like cross-fit. But, there are many others, atletics (from light to heavy-weight), boxing, or MMA. MMA is my favorite one, because during the fight I can appease my feral instincts, and its bloody fun, ofcourse. Not everyone can participate in the MMA matches, because you are required to have good fighting skills, to be fearless, and to be ready to take injuries or even open fractures. Yes, sometimes it happens, but, no pain - no game.

1. He has just ( finished) his work. 2. Have you ( made) any spelling mistakes in your dictation? 3. What books did you ( read) when you ( lived) in the country? 4. They (have not yet come) from the south. 5. He (was) ill last week, but now he (has recovered). 6. If everybody (has read) this new novel, let's discuss it. 7. Have you ( booked) tickets? — Yes, I have. I ( booked) them several days ago. 8. I (have not  seen) you since you ( left) for Moscow. 9. Have you ( read) all the books on this shelf? 10. I (have not seen) my cousin since last year. 11. Why did you ( put) these things in the wrong place? 12. Why have you ( left) the door open?