Introductory There


In English, the most common way of indicating existence is by using the structure there + to be. Normally there is an adverb of place. But the introductory there has no adverbial sense and is just used to introduce the sentence.

There are is used with plural subjects.

Introductory there can also be used with some intransitive verbs, or with an intransitive verb + to be.

Definite subjects

There is not normally used in a sentence with a definite subject (e.g. a noun with a definite article, or a proper name)