Explain what is meant by the term “expletive subject”, focusing only on the morpheme there, and discuss its function in English.

Expletive thereExplain what is meant by the term “expletive subject”, focusing only on the morpheme there, and discuss its function in English. Then analyze the sentence functions of each instance of there in (2a), supporting your answers using analysis of examples.(2a) I think there is life out there.
Format – numbered examplesdata from linguistics must be differentiated with italics12points times new roman, single spacing3 pages total including references, references mostly from linguistics booksthe file that I`ve uploaded is an example of how it should be formated