Either refers to any one of the two things or people. Either is always considered singular in a sentence. Either … or is a correlative conjunction. We use either … or for connect things which are the same types, phrases, clauses or words.
Example Sentences;
10 Sentences of Money in English, Money Example Sentences
10 Examples of Positive Sentences in English
50 Sentences of Shall in English, Modal Verbs Shall Example Sentences
50 Sentences of You in English, Example Sentences with YOU