3 sentences

1. 还要写上你的银行帐号。

   hái yào xiě shàng nǐ de yín​háng zhàng​hào.

   Also write your bank account number.

   Source: CCMatrix

2. 请在支票背面写上你的帐号。

   qǐng zài zhī​piào bèi​miàn xiě shàng nǐ de zhàng​hào.

   Please write your account number on the back of the check.

   Source: UM-Corpus: Spoken

3. 您认为别人在使用您的帐号。

   nín rèn​wéi bié​ren zài shǐ​yòng nín de zhàng​hào.

   You think someone else is using your account.

   Source: CCMatrix