French language Q&A Forum

Je n'entends pas ont dans le phrase, Mes amis ont honte de leur comportement. 

I've been wondering if there are definite rules as to whether one adds a "de" sometimes, but sometimes I go awry with an incorrect guess. At present it seems to me that a noun after the second "de" is safe enough. Am I right? The help from the quick lessons is immensely helpful, but thus far I haven't found one which would solve my problem with rules for the 'De's'.

Clive 

In the 90s, several rap groups released songs that included the repeated refrain "Whoop/Whoot there it is!"  This would often be played during sporting events, especially basketball, as a way to celebrate scoring a goal. Is the French "ça y est" similarly celebratory?  Is it ever associated with scoring a goal at a sporting event?  

Sorry to add to an already long thread, but I have a feeling that when using "on" as informal "we" (rather than impersonal "one") I’ve seen "nous" used as the stress pronoun, not "soi". Is that right? 

Claire n’a vendu aucun livre au vide-grenier. Please explain why « aucun » is after the past participial and not after n’a aucun vendu? Merci

I seem to remember having learned that the partitive article is not used to introduce the subject of a sentence.  Please comment. 

Pourquoi dit-on    "c'est un charmant jeune homme" au lieu de "il est un charmant jeune homme" ?

I'm sure the speaker says "charger" and not "changer" in this exercise. I understand that "charger" wouldn't make sense in the context but it is still off putting when doing the exercise and trying to faithfully write what is being said