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Am I correct about this?

"I have been exercising today" probably means just once today, with a duration.

"I have been exercising this week" means I have exercised multiple times this week.

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olive file 673"I have been exercising today" probably means just once today

Probably. Yes.

olive file 673"I have been exercising this week" means I have exercised multiple times this week.

Yes.

olive file 673Am I correct about this?

I'd say so. Yes.

CJ

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Comments  
Students: We have free audio pronunciation exercises.

What exactly is the difference? I mean why does "I have been exercising today" convey once and "I have been exercising this week" multiple times? Exercise has a duration and both are present perfect continuous plus adverbs of time.

Why does "this week" imply multiple times and "today"not necessarily? Is it because most people exercise once a day, but multiple times a week?

olive file 673Is it because most people exercise once a day, but multiple times a week?

Yes, exactly. The interpretation of tenses is tied to the meanings of the words. The accompanying words influence our interpretation of the situation as a whole.


I've been eating fish all week cannot possibly have either of the first two interpretations below, just because we understand the eating habits of human beings, and we understand the implications that underlie 'all week'.

1) I have been eating fish continuously without even stopping to sleep for an entire week.
2) I have eaten fish only once this week.
3) I have eaten fish (along with other foods) at many more meals this week than I usually would (probably to use it up before it spoils).


Thus, George has been studying biology for three hours implies a very different situation than George has been studying biology for six years. In the first case we think that George may need to take a break for a snack. In the second case we think that George is working on a degree at a university and that he may be graduating soon. Again, our understanding of how the world works guides us to a reasonable interpretation of the sentences.

Likewise, Lisa has been dusting the furniture all morning suggests a very different scope of time than These glaciers have been carving out this valley for 10,000 years even though both actions may be regarded as happening continuously.

CJ

Your examples I understand.

So suppose I have exercised once this week, but it lasted a few hours. Is it possible to say" I have been exercising this week" because of the duration, or is the present perfect simple the better choice.

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olive file 673So suppose I have exercised once this week, but it lasted a few hours. Is it possible to say" I have been exercising this week" because of the duration

No. You wouldn't want to say that.

olive file 673or is the present perfect simple the better choice.

Yes, but the simple past is even better.

CJ

I can say: "I have been exercising today" even if I have exercised only once today and I have stopped exercising, but it is still today, correct?

olive file 673

I can say: "I have been exercising today" even if I have exercised only once today and I have stopped exercising, but it is still today, correct?

Yes, that's correct.

You might be asked "What have you been doing today?"

That's a possible answer. "I've been exercising, (and ---ing, and ---ing ...) (today)".

CJ

Students: Are you brave enough to let our tutors analyse your pronunciation?

Yes, but as soon as I change "today" into "this week" the meaning changes. If I say: "I have been exercising today and washing the car, it means I have exercised once and washed the car once, correct?

If someone asks me : "what have you been doing this week?" and I answer: "I have been exercising, it means multiple times. If I say: "I have been washing the car this week, it sounds like I have washed the car multiple times or I spent the whole week washing the car. Am I correct about this?

I can't say: "I have been washing the car this week to express I washed the car once and it is just one of several activities I have been doing that week ?

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