5 sentences

1. 去年四月份你在哪里？

   qù​nián sì​yuè​fèn nǐ zài nǎ​li?

   Where were you last April?

   Source: CCMatrix

2. 今年四月份我就要46岁了。

   jīn​nián sì​yuè​fèn wǒ jiù​yào46 suì le.

   I will be 46 in April.

   Source: CCMatrix

3. 她一定是三四月份出生的。

   tā yī​dìng shì sān sì​yuè​fèn chū​shēng de.

   She must have been born in March or April.

   Source: AI Challenger 2017

4. 我是从四月份开始工作的。

   wǒ shì cóng sì​yuè​fèn kāi​shǐ gōng​zuò de.

   I started working in April.

   Source: CCMatrix

5. 四月份就这样炎热是极其罕见的。

   sì​yuè​fèn jiù zhè​yàng yán​rè shì jí​qí hǎn​jiàn de.

   It's extremely rare for it to be this hot in April.

   Source: UM-Corpus: Education