Expressing "must" with "dei"

Learning how to use 得 to mean "must" must be done by those wishing to master Chinese!

Structure

Normally when you see 得 it's a particle and is pronounced "de." However, it can also be an auxiliary verb. In this case it's pronounced děi and means "must."

Subj. + 得 + Verb + Obj.

Examples

  • 我们 走 了 。Wǒmen děi zǒu le.We have to leave.
  • 时间 不 早 了,我 回家 了。Shíjiān bù zǎo le, wǒ děi huíjiā le.It's getting late. I have to go home.
  • 这个 方法 不行,你 想 个 别的 方法。 Zhège fāngfǎ bùxíng, nǐ děi gè biéde fāngfǎ .This way doesn't work. You need to think of another way.
  • 在 学校 就 听 老师 的 话 。Zài xuéxiào jiù děi tīng lǎoshī de huà.You have to listen to the teacher at school.
  • 我 的 钥匙 丢 了, 找 人 开 锁 。Wǒ de yàoshi diū le, děi zhǎo rén kāi suǒ.I lost my keys. I have to find someone to pick the lock.
  • 明天 去 面试 ,你 穿 得 正式 一点 。Míngtiān qù miànshì, nǐ děi chuān de zhèngshì yīdiǎn.You have to wear something more formal for tomorrow's job interview.
  • 你 病 得 太 厉害 了,去 看 医生。Nǐ bìng de tài lìhai le, děi qù kàn yīshēng.You are badly ill. You need to go see a doctor.

See also

Sources and further reading

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