Помогите, пож, определить present perfect simple от present perfect continuous. По правилу не понимаю чем тут отличается
FIONA: Hello, everybody. I’m sorry I’m late. I …have been trying...
(try) to
find a DJ but so far I ………………. (not/find) one, though one
………………. (promise) to phone me later. ………………. (you all / get on) with what we decided?
KATE: Well, Tim and I ………………. (make) sandwiches ever since we arrived. So far, we ………………. (make) about 50.
FIONA: Charlie, ………………. (you / manage) to set up the sound system
yet?
CHARLIE: Well, I ………………. (work) on it all morning but there are a couple
of technical problems that I ………………. (not/solve) yet.
FIONA: You look very hot, Mike. I suppose that’s because you ………………. (move) the chairs and tables.
MIKE: That’s right. But I’ve almost finished, and my sister ………………. (wipe) all of them so they are ready for use. (RING, RING)
FIONA: Oh, that’s my mobile. Hello … Yes, I ………………. (expect) your call … You can? Oh, that’s great! … See you about 9 o’clock then. Bye!
FIONA: Great news, everybody. That guy I mentioned ……………….
(agree) to be our DJ.
FIONA: Hello, everybody. I’m sorry I’m late. I have been trying to find a DJ but so far I haven't found one, though one has promised to phone me later. How have you all gotten on with what we decided?
KATE: Well, Tim and I have been making sandwiches ever since we arrived. So far, we have made about 50.
FIONA: Charlie, have you managed to set up the sound system yet?
CHARLIE: Well, I have been working on it all morning but there are a couple of technical problems that I haven't solved yet.
FIONA: You look very hot, Mike. I suppose that’s because you have moved the chairs and tables.
MIKE: That’s right. But I’ve almost finished, and my sister has wiped all of them so they are ready for use. (RING, RING)
FIONA: Oh, that’s my mobile. Hello … Yes, I've been expecting your call … You can? Oh, that’s great! … See you about 9 o’clock then. Bye!
FIONA: Great news, everybody. That guy I mentioned has agreed to be our DJ.