I tend to have problems getting it right with "de"

To my knowledge, « beaucoup de + nom (singulier) »

But some other cases confuse me for example

Liste de valeurs/Liste des valeurs/Liste de valeur

Which one is correct and what is the grammar rule  ?

I tend to have problems getting it right with “de”.

To my knowledge, one uses “beaucoup de + nom (singulier)”.

But some other cases confuse me. For example

Liste de valeurs/Liste des valeurs/Liste de valeur

Which one is correct and what is the grammar rule?

I tend to have problems getting it right with de

To my knowledge, beaucoup de + nom (singulier)

But some other cases confuse me for example

Liste de valeurs/Liste des valeurs/Liste de valeur

Which one is correct and what is the grammar rule ?

I tend to have problems getting it right with "de"

To my knowledge, « beaucoup de + nom (singulier) »

But some other cases confuse me for example

Liste de valeurs/Liste des valeurs/Liste de valeur

Which one is correct and what is the grammar rule ?