... focuses on the pasttime of his going to the museum. The fact that this past time forms part of anadverbially indicated period including t0is irrelevant to the choice of tense.)As a further illustration, ... a present result of the bygone situation, or on some other kind of currentrelevance.) The following illustrate these uses of the present perfect:[On the upside, though, the butterflies are ... the policies of his prede-cessor. (LOB)[I would like to mention that, after the period of expansion of the group,] yourBoard has in the last year concentrated mainly on the consolidation of...