3 sentences

1. 你大可早点告诉我们。

   nǐ dà​kě zǎo​diǎn gào​sù wǒ​men.

   You could have told us sooner.

   Source: OpenSubtitles

2. 你大可私下先问我。

   nǐ dà​kě sī​xià xiān wèn wǒ.

   You could've asked me privately first.

   Source: OpenSubtitles

3. 他大可选择不打给任何人。

   tā dà​kě xuǎn​zé bù dǎ gěi rèn​hé​rén.

   He could have chosen not to call anyone.

   Source: OpenSubtitles