5D):
•
I have
always
admired
Chester's work.
• They are the most delicious oranges I've ever
eaten.
When we talk about more temporary situations we can often use either the present perfect
continuous or the present perfect:
• 'Where's Dr Owen's office?' 'Sorry, I don't know.
I've only worked / I've only been working
here for a couple of days.'
When we want to emphasise that a situation has changed over a period of time up to now, and
may continue to change, we prefer the present perfect continuous to the present perfect:
• The pollution problem
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