Tomodachi ni tegami o kakimashita.

I wrote a letter to my friend.

Kanji o kirei ni kaku no wa muzukashii desu.

It is difficult to write kanji beautifully.

Watashi wa hiragana to katakana ga kakemasu.

I can write hiragana and katakana.

Koko ni namae to juusho o kaite kudasai.

Please write your name and address here.

Ashita made ni repooto o kakanakereba narimasen.

I must write a report by tomorrow.

Watashi wa mainichi, nikki o kaku you ni shite imasu.

I make it a rule to write in my diary every day.