Was standing (histēkei). Past perfect of histēmi as imperfect as in Joh 19:25.
At the tomb (pros tōi mnēmeiōi). Pros (in front of) with locative while para (by the side of) with locative in Joh 19:25. Pathetic and common picture of a woman weeping by the tomb. See Joh 11:31.
As she wept (hōs eklaien). Imperfect, “as she was weeping.”
She stooped and looked (parekupsen). Aorist active indicative of parakuptō for which see Joh 20:5. Mary “peeped into” the tomb, but did not enter.