What is “busy humming it to itself” in the opening pargraphs

this would be in the imperative mood. it is a category of verb forms that are used to express orders,instructions,commands or requests.

dickinson punctuation and lines in her poems to establish a rhythm. each reader will naturally find themselves reading the poem in the same way. she uses the repeating question marks and exclamation points to convey the passion in her words. shelley uses punctuation to paint a picture in the reader's mind. for example, the ellipses after "stand in the dessert" evoke a silence, as it would feel in a deserted, old place.

where are the options? i can try to if you add them : )