|
(2)系表结构一般只用于一般现在时、一般过去时等少数几种时态；而被动语态可用多种时态。 The composition is well written. 这篇作文写得很好。(系表结构) The composition is being written. 这篇作文正在写。(被动语态) (3)系表结构中的过去分词可被very, too, so修饰，被动语态中的过去分词须用much修饰。 The boy was too frightened to move. 这孩子吓得动也不敢动。(系表结构) He was very excited.他很激动。(系表结构) He was much excited by the news. 他听到消息后很激动。(被动结构) (4)be ＋ 不及物动词的过去分词通常是系表结构。 Her money is all gone. 她的钱都花光了。 The moon is risen. 月亮升起来了。 (5)表示“充满”意思的“be ＋ 过去分词 ＋ with”结构多为系表结构。 The mountain is covered with snow all the year round.这座山终年被积雪覆盖。 The classroom was crowded with pupils. 教室里挤满了学生。 The lake is dotted with fishing boats. 湖里渔帆点点。 The floor was piled with old books. 地板上堆满了旧书。 (6)remain, feel, lie, stand 以及 become, grow 等词 ＋ 过去分词结构多为系表结构。 The matter remained unsettled. 这件事悬而未决。 She felt disappointed. 她感到失望。 The road became crowded. 道路拥挤了。 (7)句中有时间状语和地点状语时，一般为被动语态，反之为系表结构。 The bank is closed. 银行现在关门了。(系表结构) The bank is usually closed at six. 银行通常6点关门。(被动语态) 1. The World Health Organization warned that Asian countries ________ attentive to bird flu since Asia ________ got rid of the disease completely. A. should keep; has | 
