iPad Pro / Magic Keyboard | Change language

Hello everyone,

I've recently bought the Magic Keyboard (French layout) and I use it to type on my IPad Pro. And here is my problem: when I need to type in a different language (for example English instead of French), I change the language of the dictionnary and this automatically changes the Hardware Keyboard! So, it makes the "French" Magic Keyboard almost unusable for any other language (I have to "guess" where the letters are). The "Hardware Keyboard" menu (General / Keyboard) doesn't allow me to set a default Hardware Keyboard which remains unchanged when I switch language...

thanks in advance!