Syntax of Agreement and Concord

''Agreement'' is the grammatical phenomenon in which the form of one item, such as the noun ''horses'', forces a second item in the sentence, such as the verb ''gallop'', to appear in a particular form, i.e. ''gallop'' must agree with ''horses'' in number. Even though agreement phenomena are some of the most familiar and well-studied aspects of grammar, there are certain basic questions that have ...