他写信给我。

Tā xiěxìn gěi wǒ.

He wrote a letter to me.

她写的字挺漂亮。

Tā xiě de zì tǐng piàoliang.

Her handwriting is quite good.

我能写一些汉字。

Wǒ néng xiě yìxiē Hànzì.

I can write some Chinese characters.