Answer:
1. Of my darling-my darling-my life and my bride,
2. The angels, not half so happy in Heaven,
3. In her tomb by the sounding sea.
Explanation:
Alliteration is the repetition of the initial consonant sounds of a group of closely connected words. In the poem above, three lines bearing alliteration include;
<em>Of my darling-my darling-my life and my bride,</em>
Here, the consonants <em>m</em> and <em>d</em>, is repeated in the string of words.
<em>The angels, not half so happy in Heaven,</em>
Here the initial consonant <em>h</em>, was repeated.
<em>In her tomb by the sounding sea</em>
The <em>sounding sea</em> represents alliteration.