myeongdane modeun yeokhareul jeonghwakhage jeogeoyo.

명단 means list, roster, or name list.

The particle 에 here marks the place where something is written or entered. So 명단에 적어요 means write it on the list or write it into the roster.

Why not 명단을?

• 명단에 적어요 = write something on the list
• 명단을 적어요 would sound more like write the list itself

So in this sentence:

• 명단에 = on the list
• 모든 역할을 = all the roles
• 적어요 = write down

Because 역할 is the direct object of 적어요.

The verb 적다 means to write down / record, so the thing being written is marked with 을/를.

Here:

• 모든 역할을 = all the roles
• these are the things being written down

So the structure is:

• 명단에 = on the list
• 모든 역할을 = all the roles
• 정확하게 적어요 = write them accurately

Both relate to all, but they are used differently.

• 모든 = every / all and must directly modify a noun
  
  • 모든 역할 = every role / all roles
• 모두 = all / everyone / everything, usually used by itself or as an adverb
  
  • 모두 왔어요 = Everyone came.
  • 역할을 모두 적어요 = Write down the roles all together / write down all the roles.

In this sentence, 모든 is used because it directly describes 역할.

So:

• 모든 역할 = all roles
• not 모두 역할

정확하게 is an adverb meaning accurately, correctly, or precisely.

It comes from:

• 정확하다 = to be accurate / correct
• 정확하게 = accurately

The -게 ending changes an adjective/descriptive verb into an adverb.

Examples:

• 빠르다 → 빠르게 = quickly
• 조용하다 → 조용하게 = quietly
• 정확하다 → 정확하게 = accurately

So 정확하게 적어요 means write it accurately.

적어요 is the polite present form of 적다.

It can mean:

• I write it down
• We write it down
• They write it down
• or sometimes a mild instruction depending on context

By itself, 적어요 is a polite statement style, not the standard command form.

Compare:

• 적어요 = write / writes / am writing / write down (statement, context-dependent)
• 적으세요 = please write it down (polite command/request)

So if this sentence appears in a textbook exercise, dialogue, or instructions, the exact English meaning depends on context. Grammatically, though, 적어요 is a polite non-past declarative form.

They are similar, but not always identical.

• 적다 often means to write down, to record, to note
• 쓰다 is a broader verb meaning to write, and it also has other meanings like to use

In this sentence, 적다 sounds natural because the idea is recording information on a list.

Compare:

• 메모에 전화번호를 적어요 = Write down the phone number in the memo.
• 편지를 써요 = Write a letter.

So 적어요 emphasizes putting information down in writing, especially in a list, form, notebook, or memo.

Because Korean often omits the subject when it is already understood from context.

So 명단에 모든 역할을 정확하게 적어요 does not explicitly say:

• I
• you
• we
• they

The listener figures it out from the situation.

This is very normal in Korean. If the subject were added, it might be:

• 제가 명단에 모든 역할을 정확하게 적어요. = I write all the roles accurately on the list.
• 우리가 명단에 모든 역할을 정확하게 적어요. = We write all the roles accurately on the list.

But in many real situations, Korean leaves that out.

Korean and English organize sentences differently.

English usually follows:

• Subject + Verb + Object
• I write all the roles on the list accurately

Korean usually puts the verb at the end:

• 명단에 모든 역할을 정확하게 적어요
• literally something like: On the list all roles accurately write

A helpful way to read Korean sentences is to wait for the final verb, because that tells you what the sentence is doing.

In this sentence:

1. 명단에 = on the list
2. 모든 역할을 = all the roles
3. 정확하게 = accurately
4. 적어요 = write down

Usually, 에 is the natural choice here.

Why?

Because 적다 often uses 에 to mark the place where something is written:

• 종이에 적어요 = write it on paper
• 수첩에 적어요 = write it in a notebook
• 명단에 적어요 = write it on the list

에서 usually marks the place where an action happens more generally:

• 학교에서 공부해요 = study at school
• 사무실에서 일해요 = work at the office

So although learners may expect 에서 because writing is an action, with 적다 the destination/surface where the writing appears is commonly marked by 에.

역할 by itself can mean role or roles depending on context.

Korean does not always mark plural the way English does. In this sentence, 모든 already makes it clear that more than one role is meant:

• 모든 역할 = all roles / every role

So there is no need for a separate plural marker.

Korean does have 들 for plural, but it is not used as often as English plural marking. Saying 모든 역할들 is possible in some contexts, but usually 모든 역할 is enough and sounds more natural here.