It's been a great many years since I've studied Japanese and I never got very far with it. I know that I only learnt one kind of past tense and I think that our teacher did not omit any kind of past tense, so Japanese might only have one on the same level of imperfect and perfect in English? But don't quote me on that.
No, there's no such thing in Japanese. Although if you want to say you "have done" something at some point in your life, there's a specific way of saying that
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Date: 2009-03-11 02:55 pm (UTC)no subject
Date: 2009-03-11 03:26 pm (UTC)no subject
Date: 2009-03-11 04:50 pm (UTC)no subject
Date: 2009-03-11 04:52 pm (UTC)no subject
Date: 2009-03-12 10:04 am (UTC)no subject
Date: 2009-03-12 12:24 pm (UTC)And the Japanese, in my experience, have good memories.