Quote Originally Posted by Seraph View Post
Need to be careful with the 'present form', with the __йти verbs, it is usually past. => придя, выйдя и. т. д. => having arrived, having gone out, or, after having arrived, gone out... Not as 'while arriving' 'while leaving'.
Well, perfective verbs in Russian have not present form at all. And I believe their adverbial participles as well. There are corresponding imperfective verbs with their participles: приходя, выходя...