3 sentences

1. 这首诗未曾发表过。

   zhè shǒu shī wèi​céng fā​biǎo guo.

   This poem has never been published.

   Source: CCMatrix

2. 我们在美国未曾工作过。

   wǒ​men zài měi​guó wèi​céng gōng​zuò guo.

   We have never worked in the US.

   Source: CCMatrix

3. 有时好消息来自未曾预料到的地方。

   yǒu​shí hǎo​xiāo​xi lái​zì wèi​céng yù​liào dào de dì​fang.

   Sometimes good news comes from unexpected places.

   Source: CCMatrix