Using words of English ( just, yet, still and already- with the present perfect)

We would like to explain the grammar in this classe to let follower , members at our community @Steem School learn more about how to use just, yet, still and already with the present perfect. So We often use just, yet, still and already with the present perfect because they are related to the present moment.

A-(yet) means of the word 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.
Examples to eaxplain for our community to know better
1-Have you finished your homework yet?
2- I haven't finished it yet. I'll do it after dinner.
3- Where's Sam? He hasn't arrived yet.
Yet comes at the end of the sentence or question.
B-( Just) means how to use it. Just used with the present perfect means 'a short time before'.
Examples
1-I've just seen Susan coming out of the cinema.
2- Mike's just called. Can you ring him back, please?
3- Have you just taken my pen?
Just comes between the auxiliary verb (have/has) and the past participle.

D- (Already) We know the word already used with the present perfect means 'before now'. We use it to emphasise that something happened before something else or earlier than expected.
Some exampales explain
1- I've already spent my salary and it's two weeks before payday.
2- He wanted to see Sudden Risk but I've already seen it.
3- The train's left already

E- (still) We can learn about this word which 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.
Examples showing more information about
1- I've been waiting for an hour and the bus still hasn't come.
2- They promised me that report yesterday but they still haven't finished it.
3-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).

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