This document discusses the use of the present perfect tense with words like "just", "already", "yet", "for", and "since". It provides examples of how these words are used with the present perfect to indicate recentness or duration of an action up to the present. Some key uses covered include using "just" and "already" before the past participle to indicate a short time ago or sooner than expected, and using "yet" at the end of questions or negatives. It also discusses using "for" to indicate duration and "since" to indicate a starting point in the past that continues to the present.

1. Present Perfect I
Present Perfect with “for, since,
already, just, and yet”

2. Just, already and yet
 Just, already and yet
We can use the present perfect with just, already and
yet.
 Just means “a short time ago”. Vicky heard about the
concert not long ago.
 Already means 'sooner than expected'. They sold the
tickets very quickly.
 We use yet when we are expecting something to
happen. Vicky expects that Rachel will buy a ticket.

3. Just, already and yet
 Just and already come Here are some more examples.
before the past participle
(heard, sold).  We've just come back from
our holiday.
 Yet comes at the end of a  I've just had an idea.
question or a negative  It isn't a very good party.
sentence. Most people have already
gone home.
 My brother has already
crashed his new car.
 It's eleven o'clock and you
haven't finished breakfast
yet.
 Has your course started yet

4. For & since
 We can use the present perfect  We use for to say how long this
with for and since. period is {for three days). We
use since to say when the
period began (since Friday).
 Vicky has only had that
camera for three days.
 We use how long in questions.
 Those people have been at the How long has Vicky had that
hotel since Friday. camera? ~ Since Thursday, I
think.
How long have Trevor and
 I've felt really tired for a Laura been married? ~ Oh, for
whole week now. about three years.
 We've lived in Oxford since  We can also use the present
1992. perfect with for and since
Here something began in when something has stopped
the past and has lasted up happening.
to the present time. I haven't seen Rachel for ages.
She hasn't visited us since July.