Analysis of English sentence components

You are lucky that you don't have to go to the reception.

This is a sentence with the structure of "host's family table", the subject is you, the copula verb is are, and the predicate is lucky.

In addition, enough is an adverb to modify luck; ; Don't go to this reception is a present participle phrase, and the central word is having. As an accompanying adverbial, it also modifies lucky.