Student or Learner
- So by the end of this week, you could have been running for 5 hours per day because you want to win the competition. Am I right?
- So by the end of this week, you could have been running for hours because you want to win the competition. Am I right?
I know although they might seem weird to a native English-speaker's ear, but still I would like to ask if the sentences above are grammatically OK or not. In fact, I am curious about whether I can use 'could have been doing' to refer to the future.
The first is OK, the second doesn't work as well because it suggests one period of running, which doesn't quite fit.