The theme suggested is the eternal love and beauty. Due to the historical context being in the 17th century, the language of this poem is old English, which is formal and complex. The tone of this sonnet is very elegant and suavely romantic, which creates a heart-warming mood for the readers. “Shall I compare thee to a summer’s day” is a lyrical poem, comprising complete features of sonnet form. It has fourteen lines in total, divided into three quatrains then followed by a couplet. Almost every line in this sonnet directly conveys the subject matter with many clear and vivid images. The rhyme scheme is structured in order: abab cdcd efef gg.