3 sentences

1. 他们肯定会相恋的。

   tā​men kěn​dìng huì xiāng​liàn de.

   They are sure to fall in love.

   Source: Tatoeba

2. 他们已经相恋了很多年。

   tā​men yǐ​jing xiāng​liàn le hěn​duō nián.

   They have been in love for many years.

   Source: CCMatrix

3. 那是我们相识、相恋的地方。

   nà shì wǒ​men xiāng​shí, xiāng​liàn de dì​fang.

   That's where we met and fell in love.

   Source: OpenSubtitles