Learn Hardcore Korean: jeoneun jigeum samusireseo ilhago isseoyo.

저 is the humble form of “I,” and -는 is the topic particle. Together, 저는 means “as for me” or “I (am speaking about myself).” It sets 저 as the topic of the sentence.

Why don’t we use 나 instead of 저 for “I”?

나 is the informal or casual word for “I,” used among close friends or younger speakers. 저 is more polite and humble, appropriate in most everyday situations when you want to show respect or keep things neutral.

What does 지금 mean, and where does it go in the sentence?

지금 means “now” or “right now.” In Korean, time adverbs like 지금 typically come before the verb or clause they modify. Here, 저는 지금 사무실에서 일하고 있어요 literally orders as “I – now – at the office – working am.”

Why is the particle -에서 used with 사무실 instead of -에?

-에 indicates a static location (“at” / “in”). -에서 indicates the location of an action (“working at”). Since 일하다 (to work) is an action happening in the office, you need 사무실에서.

What does 일하고 있어요 mean, and how is it formed?