4 sentences

1. 他一定是用了假名。

   tā yī​dìng shì yòng le jiǎ​míng.

   He must've used a fake name.

   Source: OpenSubtitles

2. 他用假名发表了这篇文章。

   tā yòng jiǎ​míng fā​biǎo le zhè piān wén​zhāng.

   He published this article under a pseudonym.

   Source: Dong Chinese Dictionary

3. 我用的是假名。

   wǒ yòng de shì jiǎ​míng.

   I'm using a fake name.

   Source: OpenSubtitles

4. 掌握假名是学习日语的基础。

   zhǎng​wò jiǎ​míng shì xué​xí Rì​yǔ de jī​chǔ.

   Mastering kana is the foundation of learning Japanese.

   Source: Dong Chinese Dictionary