They do (polite) in Korean 🇰🇷

그 사람들은 해요 info.

Breakdown of the sentence:
• "그 사람들은" means "they," literally "those people" with the topic marker.
 – Romanized: Geu saramdeureun
• "해요" is the polite present tense of the verb 하다 ("to do").
 – Romanized: haeyo

Tips to remember 하다 ("to do"):
• Recognize that 하다 is extremely common in Korean and is used as the base for many compound verbs; associating it with everyday action like “to do” can help anchor its meaning.
• Think of the phrase “do it” in English, which parallels 하다, and remember the sound similarity in the context of actions.

Other words with a similar meaning:
• 실행하다 (silhaenghada): “to execute” or “carry out” an action (more formal).
• 이루다 (iruda): in some contexts can mean “to accomplish” or “to carry out.”

Conjugation of 하다:
• Infinitive (dictionary form): 하다 (hada) – “to do.”

Present Tense:
 – Informal low: 해 (hae)
 – Informal polite: 해요 (haeyo)
  • Example: "나는 숙제를 해요." (Naneun sukje-reul haeyo.) – “I do my homework.”

Past Tense:
 – 했어 (haesseo) [Informal low]
 – 했어요 (haesseoyo) [Informal polite]
  • Example: "어제 운동을 했어요." (Eoje undong-eul haesseoyo.) – “I did exercise yesterday.”

Future Tense:
 – 할 거야 (hal geoya) [Informal low]
 – 할 거예요 (hal geoyeyo) [Informal polite]
  • Example: "내일 일할 거예요." (Naeil ilhal geoyeyo.) – “I will work tomorrow.”

Present Progressive:
 – 하고 있어 (hago isseo) [Informal low]
 – 하고 있어요 (hago isseoyo) [Informal polite]
  • Example: "지금 책을 읽고 있어요." (Jigeum chaeg-eul ilggo isseoyo.) – “I am reading a book.”

Past Progressive:
 – 하고 있었어 (hago isseosseo) [Informal low]
 – 하고 있었어요 (hago isseosseoyo) [Informal polite]
  • Example: "어제 공부하고 있었어요." (Eoje gongbuhago isseosseoyo.) – “I was studying yesterday.”

Imperative:
 – 해 (hae) [Casual]
 – 하세요 (haseyo) [Polite]
  • Example: "문을 열어 주세요." (Muneul yeoreo juseyo.) – “Please open the door.” (Note: 하다 is not often used in the imperative aside from routine commands, but this shows the polite form.)

Additional sentence examples using 하다:
• "그들은 일을 해요." (Geudeureun ireul haeyo.) – “They do work.”
• "우리는 매일 운동해요." (Urineun maeil undonghaeyo.) – “We do exercise every day.”
• "아이들이 놀이를 해요." (Aideuri norireul haeyo.) – “The children are playing.”

These details should help in understanding and remembering the structure and usage of 하다 in various contexts.

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