翻译下面的短文。 A sentence normally has a subject (主语) and a predicate (谓语) . The subject identifies a person, place or thing. The predicate tells what the subject does or is. The predicate always includes a verb, and a verb is one of three type- linking, intransitive, or transitive verbs. The most widely used linking verb is a form of be, such as am, is, are, was, or were. Other linking verbs include: seem, become, feel, sound, taste, smell. The word or phrase that follows a linking verb is called a subject complement.