One Critic John Ogilvie states that "The two roads that diverged in a yellow wood' represent a critical choice between two ways of life. The poet takes the one less traveled by,'the lonelier road, which, we can presume, leads deeper into the wood.... The dark woods, though they hold a salutary privacy, impose a stern isolation, an isolation endured not without cost"(226). Frost first uses metaphor to show that the speaker's choice impact his life. Metaphor is "an imaginative comparison between two literally unlike things" (Literary vocabulary poetry IV). At the very beginning of the poem, Frost uses metaphor in the line "Two roads diverged in a yellow wood" (1). This line compares a decision to two diverging roads. To travelers, two diverging roads obviously mean this is the time to make a decision, choose one or another. Travelers who face two diverging roads are just like the people in their lives who face a fork in the road, which also means a decision making time. Does the decision make a difference to the speaker in the poem? Yes. At the very end of the poem, the speaker says "and that has made all the different" (20). This quote tells us that the road the speaker chose, which also means the decision the speaker made, has made differences in his life, showing that his choice impacts his life.
Frost also uses verb tenses to prove that people's choice will impact their lives. He uses past tense the whole poem but the in "I shall be telling this with a sigh" (16), which is