不定式和现在分词作表语的区别

【不定式作表语】1。说明主语的具体内容。如：Mary'task is to set the table。2。表其他如目的。如：This wall is to keep people out of the garden。【现在分词作表语】1。某些现在分词已变作形容词可作表语。（如表情绪的词。）如：He was very amusing。2。表状态、品质的现在分词可用作表语。如：She is always very obliging。祝开心!