How does the author develop the viewpoint of young Arturo toward the end of "An Hour with Abuelo"? By having Arturo say that Abuelo didn't try hard enough to accomplish what he wanted in his life, it shows that Arturo is mean and immature.

By describing Abuelo as a crumpled-up brown paper sack with some bones in it, it shows that Arturo has a creative mind.

By describing Arturo glancing at his watch, it shows that Arturo is disinterested in what Abuelo is saying.

By relating Abuelo's life's story, Arturo shows that he has taken an interest in Abuelo and his early life.

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.

and your question what topic are you in trouble with?

i’m confused as to what your asking ?