Subject particle vs Object particle
Is there a difference in the meaning of the following sentences:

1. 지네가 제일 무서워요.
2. 지네를 제일 무서워해요. (from what I understood if I change the verb into an action verb I should use the object particle but I'm not sure if the meaning stays the same as the previous sentence)

Also can I use 제일 / 가장 for the second sentence?

Question

Subject particle vs Object particle
Is there a difference in the meaning of the following sentences:

1. 지네가 제일 무서워요. 
2. 지네를 제일 무서워해요. (from what I understood if I change the verb into an action verb I should use the object particle but I'm not sure if the meaning stays the same as the previous sentence)

Also can I use 제일 / 가장 for the second sentence?

Answer

1. It's centipede I fear the most
2. I fear centipede the most.

1 is more natural

가장 is better than 제일
제일 means #1 and sounds somewhat childish.

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