4 sentences

1. 我早就知道这件事了。

   wǒ zǎo​jiù zhī​dào zhè jiàn shì le.

   I've known about this for a long time.

   Source: Dong Chinese Dictionary

2. 你不是说她早就死了吗？

   nǐ bù​shì shuō tā zǎo​jiù sǐ le ma?

   Didn't you say she died a long time ago?

   Source: OpenSubtitles

3. 你们不早就低估了我们的数量了吗？

   nǐ​men bù zǎo​jiù dī​gū le wǒ​men de shù​liàng le ma?

   Haven't you already underestimated our numbers?

   Source: OpenSubtitles

4. 我早就告诉过你，那个演讲是个好主意。

   wǒ zǎo​jiù gào​su guo nǐ, nà​gè yǎn​jiǎng shì gè hǎo zhǔ​yi.

   I told you that speech was a good idea.

   Source: OpenSubtitles