你的生日是什么时候？
nǐ de shēng rì shì shén me shí hòu ？

我的生日是 12 月 15 日
wǒ de shēng rì shì 12 yuè 15 rì

日常中文（Daily Chinese）

When is your birthday ?  你的生日是什么时候？

In these stories, you have a lot of vocabulary which is helpful for speaking, and also you will be used to French expressions and you get observed how the native speaker pronounces the word perfectly.
Practice makes perfect so practice the words in the context or recreate the simple dialogue in the stories and say it out loud do record your own audio and play again with these stories and correct your accent, by following this practice definitely you will sound good in French accents.