But, looking, i presently saw something stirring within the shadow. . then something resembling a little gray snake, about the thickness of a walking stick, coiled up out of the writhing middle and wriggled in the air toward me and then another.
what tense is this

In this excerpt from robert burns’s poem “a red, red rose,” which two lines are written in iambic trimeter? (an iambic trimeter pattern contains an unstressed syllable followed by a stressed syllable. the pattern repeats three times per line.) o my luve’s like a red, red rose that’s newly sprung in june: o my luve’s like the melodie that’s sweetly play’d in tune! as fair art thou, my bonnie lass, so deep in luve am i: and i will luve thee still, my dear, till a’ the seas gang dry: