What is common. They have lived there for centures. It's show that short predict is possible here. Because if they lived, it's determine what tomorrow it must be true too. Oh, and more time.
I want to make example for each:
- positive, hidden, pas, with predict:
- I have tried to drive a car for ten years.
- positive, hidden, past, no predict:
- I have tried to drive a car.
- positive, hidden, present, with predict:
- I have tried drive a car for ten years but I'm still walker.
- positive, hidden, present, no predict:
- I have tried to drive a car but I'm still walker.
- positive, obvious, past, with predict:
- I have tried to pass driving test for ten years.
- positive, obvious, past, no predict:
- I have tried to pass driving test.
- positive, obvious, present, with predict:
- I have tried to pass driving test for ten years but I'm still walker.
- positive, obvious, present, no predict:
- I have tried to pass driving test but I'm still walker.
- negative, hidden, past, with predict:
- I haven't tried to drive a car for ten years.
- negative, hidden, past, no predict:
- I haven't tried to drive a car.
- negative, hidden, present, with predict:
- I haven't tried to drive a car for ten years, I'm still walker.
- negative, hidden, present, no predict:
- I haven't tried to drive a car but I'm still walker.
- negative, obvious, past, with predict:
- I haven't tried to pass driving test for ten years.
- negative, obvious, past, no predict:
- I haven't tried to pass driving test.
- negative, obvious, present, with predict:
- I haven't tried to pass driving test for ten years, I'm still walker.
- negative, obvious, present, no predict:
- I haven't tried to pass driving test but I'm still walker.
Common
Only one that is important here that is link for a past experience of driving. Also, that it take effect for a subject in the present time.
Since and for
Possble to use it when I like to say about period of time, example: for ten years. Since, when it's about the begining of time period.
How long ..., always
One question word here is how, but I know about many more of them. How long ... for ask about period of time. Also, one more adverb for use it.
Time
Many methods to check time period decribed here. But they aren't right for present, maybe usually.
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