You didn’t attach the poem, but I would assume that it is because the boot is used more frequently, and there’s a familiarity between the boot and a person that isn’t always present with the dress shoe– one is likely to be owned by many.
Answer:
At the end of the story, <em>Monsters Are Due on Maple Street</em>, the aliens are having a conversation about how they are planning to take over the world, but are just using Maple Street as an experiment.
The three types of verbal phrases are participial, gerund, and infinitive phrases