由于英语中的系动词用法灵活,用途广泛,系动词的词义不完整,在很多情况下只有连接作用而没有具体的意义,须与表语一起才能构成谓语。常用的系动词有be,look,become,turn,taste,smell,go,grow,feel,get,sound,stay等。有些系动词又是实义动词,该动词表达实义时,有词义,可单独作谓语,例如:He fell ill yesterday.他昨天病了。(fell是系动词,后跟补足语ill, Because of the flexible use of the Department of verbs in English, a wide range of uses, Department of verb’s word meaning is not complete, in many cases only the role of connection and no specific meaning, to form the predicate together with the table language. Commonly used verbs are be, look, become, turn, taste, smell, go, grow, feel, get, sound, stay and so on. Some system verbs are real verbs. When the verb is veritable, it has verb meaning and can be used as a predicate alone. For example: He fell ill yesterday. He was ill yesterday. (Fell is a verb, followed by complement language ill,