'just', 'yet', 'still' and 'already'

I've just seen Sai. He's really enjoying his new job.
We haven't decided what to do yet.
I still haven't called Yumi to see how she is.
I've already had lunch but I'll join you for coffee.

Grammar explanation

We often use just, yet, still and already with the present perfect because they are related to the present moment. This page focuses on the meaning and use of these words when they are used with the present perfect.

just

Just used with the present perfect means 'a short time before'.

I've just seen Susan coming out of the cinema.
Mike's just called. Can you ring him back, please?
Have you just taken my pen?!

Just comes between the auxiliary verb (have/has) and the past participle.

yet

Yet used with the present perfect means 'at any time up to now'. We use it to emphasise that we expect something to happen soon. Yet (in this context) is only used in negative sentences and questions.

Have you finished your homework yet?
I haven't finished it yet. I'll do it after dinner.
A. Where's Sam? B: He hasn't arrived yet.

Yet comes at the end of the sentence or question.

still

Still used with the present perfect means that something hasn't happened. We use it to emphasise that we expected the thing to happen earlier. Still (in this context) is only used in negative sentences.

I've been waiting for an hour and the bus still hasn't come.
They promised me that report yesterday but they still haven't finished it.
She still hasn't replied to my email. Maybe she's on holiday.

Still comes between the subject (the bus, they, etc.) and auxiliary verb (haven't/hasn't).

already

Already used with the present perfect means 'before now'. We use it to emphasise that something happened before something else or earlier than expected.

I've already spent my salary and it's two weeks before payday.
He wanted to see Sudden Risk but I've already seen it.
The train's left already!

Perfect aspect