When to Use The Present Perfect Continuous Tense
Past action recently-stopped
- I’m tired because I’ve been running.
Past action continuing now
- I have been reading for 2 hours.
For and Since with Present Perfect Continuous tense
We use for to talk about a period of time: three hours, two months, one decade
- I have been reading for 2 hours. (I am still reading now.)
We use since to talk about a point in past time: 9 o’clock, 1st January, Monday
- We’ve been studying since 9 o’clock. (We’re still studying now.)