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I've just ... I've already ... I haven't ... yet (present perfect 2)
A
I've just ...
just = a short time ago
- A: Are Diane and Paul here? B: Yes, they've just arrived.
- A: Are you hungry? B: No, I've just had dinner.
- A: Is Tom here? B: No, I'm afraid he's just gone. (= he has just gone)
B
I 've already ...
already = before you expected / before I expected
- A: What time are Diane and Paul coming? B: They've already arrived. (= before you expected)
- It's only 9 o'clock and Anna has already gone to bed. (= before I expected)
- A: Jon, this is Emma. B: Yes, I know. We've already met.
C
I haven't ... yet / Have you ... yet?
yet = until now
We use yet in negative sentences and questions. Yet is usually at the end.
yet in negative sentences (I haven't ... yet)
- A: Are Diane and Paul here? B: No, they haven't arrived yet. (but B expects Diane and Paul to arrive soon)
- A: Does James know that you're going away? B: No, I haven't told him yet. (but B is going to tell him soon)
- Silvia has bought a new dress, but she hasn't worn it yet.
yet in questions (Have you ... yet?)
- A: Have Diane and Paul arrived yet? B: No, not yet. We're still waiting for them.
- A: Has Nicole started her new job yet? B: No, she starts next week.
- A: This is my new dress. B: Oh, it's nice. Have you worn it yet?