请在这张纸上写下你的名字。

Qǐng zài zhè zhāng zhǐ shàng xiěxià nǐ de míngzi.

Please write down your name on this piece of paper.

他在纸上写了我的名字。

Tā zài zhǐ shang xiě le wǒde míngzi.

He wrote my name on the paper.

他把那封信撕成小纸片扔掉了。

Tā bǎ nà fēng xìn sī chéng xiǎo zhǐpiàn rēngdiào le.

He tore that letter into small pieces of paper and threw them away.