The choice between the phrases there is and there are at the beginning of a sentence is determined by the noun that follows it.
There is, theres and there are from english grammar today we use there is and there are when we first refer to the existence or presence of someone or something theres a letter on your.
Connection error we often use there to be and it as a subject but they do not refer to any object. There is are is used to introduce a topic, or say that something exists.
"There's" and "There are" Daily Writing Tips
It is not recommended for formal english such as essay-writing in an exam.
There are is more difficult to say because the mouth position for there is different for the position to say are. Therefore, to say there are requires a change of mouth position. Most speakers actually say therere in place of there arebecause it is easier to pronounce.
When introducing more than one noun phrase, the verb may agree with the number of the first noun phrase.