Usages of děi
今天 我 得 先 去 银行。Jīntiān wǒ děi xiān qù yínháng.
Today I must go to the bank first.
我 得 把 工作 做 完。Wǒ děi bǎ gōngzuò zuò wán.
I have to finish the work.
你 今天 得 看 完 这 本 书 吗?Nǐ jīntiān děi kàn wán zhè běn shū ma?
Do you have to finish reading this book today?
你 得 先 吃 完 早饭, 再 去 银行。Nǐ děi xiān chī wán zǎofàn, zài qù yínháng.
You must finish breakfast first, then go to the bank.
你 上班 得 穿 蓝色 的 衣服 吗?Nǐ shàngbān děi chuān lánsè de yīfu ma?
Do you have to wear blue clothes to work?
我们 下个 星期 有 中文 考试, 我 得 好好 准备。Wǒmen xiàge xīngqī yǒu zhōngwén kǎoshì, wǒ děi hǎohāo zhǔnbèi.
We have a Chinese exam next week; I have to prepare well.
老师 说 我们 得 好好 做 这些 练习。lǎoshī shuō wǒmen děi hǎohāo zuò zhèxiē liànxí.
The teacher said we must do these exercises carefully.
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