3 sentences

1. 我想给你剪头发。

   wǒ xiǎng gěi nǐ jiǎn tóu​fa.

   I want to cut your hair.

   Source: OpenSubtitles

2. 你该剪头发了。

   nǐ gāi jiǎn tóu​fa le.

   You need a haircut.

   Source: OpenSubtitles

3. 你剪头发了吗？

   nǐ jiǎn tóu​fa le ma?

   Did you get a haircut?

   Source: OpenSubtitles