说明
the gerund as subject complement(动名词用作表语)
核心问题
Our job is playing all kinds of music.
playing 是现在分词还是动名词?
词典解答
上句中的 playing 是动名词,作表语(主语补语)。现在分词也能作表语,但意义不同。动名词作表语时,主语和表语在概念上可以划等号。Our job = playing all kinds of music。把主语和表语倒过来,句子的基本含义不变:Playing...is our job. 而现在分词作表语时,具有形容词的功用,用以说明主语的性质:This film is exciting. 主语和表语在概念上不能划等号:This film≠exciting。位置一般不能颠倒过来。请与下列句子作对比:
The problem is finding land for it. 问题是要找到(建新厂的)土地。
练习题
请做下面的英语试题,并指出-ing形式是动名词,还是现在分词:
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This news sounds ____. A. encouraging B. encouraged C. encourage D. to encourage
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What worried the child most was ____ to visit his mother in the hospital. A. his not allowing B. his not being allowed C. his being not allowed D. having not been allowed(上海高考,98-8)