現在完成進行式 (Present Perfect Progressive Tense)
What have you been doing lately?
We've been seeing each other for two months now.
I've been shopping at this Family Mart since I arrived here.
- For the last two months I had been working as a waitress.
- For the last two months I have been working as a waitress.
Jane _______ playing piano for years.
(A) was (B) is (C) had (D) has been
It has rained for three days.
It has been raining for three days.
It has not been raining for three weeks.
Has it been raining for three weeks?
How long has it been raining?