Which sound device is used in the first and third lines of "Birches" by Robert Frost? When I see birches bend to left and right Across the lines of straighter darker trees, I like to think some boy's been swinging them. But swinging doesn't bend them down to stay. Ice-storms do that. Often you must have seen them Loaded with ice a sunny winter morning After a rain. … consonance alliteration repetition assonance onomatopoeia