4 sentences

1. 我不知道你会开飞机。

   wǒ bù​zhī​dào nǐ huì kāi fēi​jī.

   I didn't know you could fly a plane.

   Source: AI Challenger 2017

2. 你知道怎么开飞机吗？

   nǐ zhī​dao zěn​me kāi fēi​jī ma?

   Do you know how to fly a plane?

   Source: OpenSubtitles

3. 你在开那架飞机吗？

   nǐ zài kāi nà jià fēi​jī ma?

   Are you flying that plane?

   Source: OpenSubtitles

4. 我想学如何开飞机，而不是骑马。

   wǒ xiǎng xué rú​hé kāi fēi​jī, ér bù​shì qí mǎ.

   I want to learn how to fly a plane, not ride a horse.

   Source: OpenSubtitles