Usages of zhǔnbèi
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.
因为 明天 要 做 报告， 我 今天 晚上 不得不 在 家 继续 准备。yīnwèi míngtiān yào zuò bàogào, wǒ jīntiān wǎnshang bùdébù zài jiā jìxù zhǔnbèi.
Because I have to give a report tomorrow, I have no choice but to keep preparing at home tonight.
Elon.io is an online learning platform
We have an entire course teaching Chinese grammar and vocabulary.