In English, the word "there" can be used to formulate an introductory existential sentence, i.e. when you need to report that something exists:
Formally, in such sentences, "there" is the subject and in the case of an interrogative sentence, auxiliary or modal verb is placed before it:
The form of the verb always agrees with the replaced semantic subject:
If the substituted subject contains a list of objects, then the verb is used in the plural form (more literary version of use) or agrees with the number of the object, called the first in the list (more colloquial version):
In colloquial English, verb "be" is usually used in shortened form:
The introductory "there" can be used with non-finite verb forms, forming independent participial phrase:
The introductory existential construction with "there" is usually used with verbs naming the existence, emergence, formation, residence and the like:
The introductory existential construction with "there" is not used if attention is drawn not to the very fact of the existence of the subject, but to what it is, where it is located, or if attention is drawn to other circumstances associated with the subject:
If it is said that something constitutes a thing (includes; consists of something), then usually the construction of the sentence occurs without the introductory "there":
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