He saw all spoiled. “don’t let him cut my hand off— the doctor when he comes. don’t let him sister! ” so. but the hand was gone already. why does robert frost deviate from iambic pentameter in this section of “out, out—”?

He wants to emphasize the gravity of the boy's situation.

Explanation:

In this poem, Robert Frost mostly uses iambic pentameter. This is the most common pattern in the English language. However, in this section, he deviates from this rule. The reason he does so is because Frost wants to emphasize what a big and tragic moment this is for the boy. The break in the rhythm of the poetry symbolizes the break in the boy's life. His life will be divided in a "before" and an "after" due to this traumatic moment, in the same way in which the poem is divided in two sections due to this inconsistency.

a fable" i don’t have much to go on

scholarship is an sc because, by definition, a subject complement is the adjective, noun or pronoun that follows a linking verb, for example the verb be (in any of its forms).