Such is a determiner; so is an adverb. They often have the same meaning of ‘very’ or ‘to this degree’.

Those are such good chocolates.

Those chocolates are so good.

 

Typical errors:

 

Examples:

 

 

 

...

LanguageLearningBase.com (short: llb.re) is an online community for learning foreign languages.
It represents an open knowledge base. Every member can share and gain knowledge about a new language.