So and Such - Such
I've never seen a so large animal before.
I've never seen such a large animal before.
So is an adverb, and must qualify an adjective or another adverb. Such is an adjective and must qualify a noun.
Benefits of Thyme
Tips to succeed in Business
XMas Bucket List
Benefits of Lime
Break the Silence
Rules to play Petanque
Table etiquettes b
Always say 'Excuse me' if you have to leave the table at any time.