1. Enjambment
2. Iambic Pentameter
3. Blank Verse
The first one is the 4th answer and the second question is the second answer
The answer to your questions will be summed up into one paragraph.
This is:
<span>The great poets commonly take up the subject of death in their works, but it is rare to see a great poet treat death in such a sustained and deeply personal way as Tennyson does. Many of his greatest works were written in the aftermath of the death of his closest friend, Arthur Henry Hallam. </span>
Narrative means an "I' experience or 1st point of view. So, it's always informal.