Usages of hái
我 还 没 去 过 北京， 我 想 去。wǒ hái méi qù guo Běijīng, wǒ xiǎng qù.
I haven’t been to Beijing yet; I want to go.
他 为什么 还 没 来？ 我 需要 找 他。 你 等 了 多久？tā wèishénme hái méi lái? wǒ xūyào zhǎo tā. nǐ děng le duōjiǔ?
Why hasn’t he come yet? I need to look for him. How long have you been waiting?
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