If there should not be any news from Schubert within a week, please write to me.
And if in passing through the streets in which you know I can lodge, you find something suitable for me, please write to me.
Please write to me often, just what comes into your head.
But yet, if anything comes into your mind, or rather whatever comes into your mind, please write to me.
Please write me often on these topics, and give me your opinion about my women-folk and your own intentions.
Still, if anything comes into your head, please write; and let me know what you will do yourself.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "please write" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.