Level 2

구십

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Understanding 구십

구십 is the Korean numeral for 90. It is used in counting, telling age, percentages, and other numerical contexts. It is a Sino-Korean number, so it is often combined with counters like 개 (items), 명 (people), or 년 (years).

Usage in Sentences

You will frequently see 구십 used with counters to specify quantities, such as 구십 개 (ninety items) or 구십 명 (ninety people). It also appears in expressions of percentages, like 구십 퍼센트 (ninety percent).

Common Collocations

  • 구십 개: used to count objects
  • 구십 명: used to count people
  • 구십 년: used to indicate years or age
  • 구십 퍼센트: to express ninety percent

Tips for Learners

Since 구십 is a Sino-Korean number, it is important to use it with appropriate counters. Avoid mixing native Korean numbers with Sino-Korean numbers in the same phrase. For example, say 구십 개, not 아흔 개 (native Korean for 90) when using counters that require Sino-Korean numbers.

Also, 구십 is pronounced with a soft 'g' sound at the start, not a hard 'k'.

Example Sentences

그 가게에서 구십 개의 사과를 샀어요.

Geu gageeseo gusip gaeui sagwareul sasseoyo.

I bought ninety apples at that store.

구십 퍼센트의 학생들이 시험에 합격했어요.

Gusip peosenteuui haksaengdeuri siheome hapgyeokhaesseoyo.

Ninety percent of the students passed the exam.

그는 구십 년 동안 그 일을 해왔어요.

Geuneun gusip nyeon dongan geu ireul haewasseoyo.

He has been doing that work for ninety years.