How do you say I am writing these letters in French?

There are a few ways to say "I am writing these letters" in French, depending on the context and the level of formality you want to convey:

Formal:

* J'écris ces lettres. (This is the most direct and neutral translation.)

* Je suis en train d'écrire ces lettres. (This emphasizes the action of writing.)

* Je rédige ces lettres. (This implies a more formal or official tone.)

Informal:

* Je suis en train de griffonner ces lettres. (This uses a more colloquial word for "writing" and suggests a less formal tone.)

* Je suis en train de taper ces lettres. (This is used if you are typing the letters.)

Specific situations:

* Je vous écris ces lettres. (This means "I am writing these letters to you.")

* Je suis en train d'écrire ces lettres à [person's name]. (This means "I am writing these letters to [person's name].")

The best option will depend on the specific situation.