Questions & Answers about Je bois autant de café que de thé.
There are actually two different de here, but they look the same:
de after autant:
This is the de of quantity, used after expressions like:- autant de
- beaucoup de
- peu de
- trop de
de before thé after que:
Here, de is repeated to keep the same structure:- autant de café que de thé = as much coffee as (I drink) tea.
Repeating de makes the comparison clear and balanced:
- autant de X que de Y