Very grateful for all help with these clues please.
28ac: “Mark stores one’s address (12).”
33ac: “Poem from Perth in translation: avoid (3,7).”
43ac: “Leave cathedral precincts - time to reveal oneself (4,3,2,3,6).”
50ac: “Crisis rarely experienced by habitual liar? (6,2,5).”
52ac: “Swimmer on river crazy to knock back port (9).”
28a Apostrophise - 'apostrophe' (stores) i's (one's) 33a The Prelude - anag 'Perth' + 'elude' (avoid) 43a Come out of the close-t(ime) (close = cathedral precincts) 50a Moment of truth 52a Rotterdam - 'r(iver) otter (swimmer)' + 'mad' (back)
28a Apostrophise - 'apostrophe' (stores) i's (one's)
33a The Prelude - anag 'Perth' + 'elude' (avoid)
43a Come out of the close-t(ime) (close = cathedral precincts)
50a Moment of truth
52a Rotterdam - 'r(iver) otter (swimmer)' + 'mad' (back)