In the mind of an English speaker, there's a clear difference between talking
about an event that happened in the past and talking about
something that has happened. The difference is whether there's
an effect on the speaker right now.
For example, if you
say "I ate" it's just a fact - you ate at some time in the past. It doesn't have
any connection to how you feel right now.
But if you say "I've eaten",
that expresses
the idea that you ate something, and it's still affecting you.
Maybe you feel full. Maybe you don't want to eat another meal. You are not only
talking about a past action, but also about the present effect of that
action.Visually, think about it like this:
The name for this way of speaking and understanding sentences is the "perfect aspect". Perfect aspect is used in a few different kinds of situations:
- For talking about your experiences ("I've never met her.")
- For talking about things that are still going on ("We've been together for three years.")
- For talking about something you expected to happen ("Have you called him back yet?")
But the big question is, how do you learn how to use
perfect aspect correctly? Do you just read this email and remember this list of
rules? That probably wouldn't work. A better way to learn is to look at examples
of how people use perfect aspect in real situations. This list of sentences that
use perfect aspect will help you to get started:
http://www.phrasemix.com/categories/grammar-perfect-aspect
http://www.phrasemix.com/categories/grammar-perfect-aspect
Read
those sentences, and try to "feel" why the speaker would choose "have done"
instead of "did". ("Year of English")
perfect aspect
Each of these lessons includes a perfect aspect verb. These include:
· present perfect ("have done", "has been", "has
gone", etc.)
· past perfect ("had seen", "had known", etc.). There's
also a separate category that includes only past perfect lessons.
· future perfect ("will have done")
· perfect progressive ("have been doing", "has been
going", "had been waiting", "will have been doing",
etc.)
There's also a post in the Concepts section explaining Perfect Aspect.
27. “I'm pleased to announce that Carlos Turner has been
promoted to Northeastern Regional Manager.”
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