drop在这里为什么要用过去分词?Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.As Stevenson has said,being happy is a duty这里的drop是因为是被动的掉下去才用dropped的吗?还
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![drop在这里为什么要用过去分词?Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.As Stevenson has said,being happy is a duty这里的drop是因为是被动的掉下去才用dropped的吗?还](/uploads/image/z/9199494-54-4.jpg?t=drop%E5%9C%A8%E8%BF%99%E9%87%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E7%94%A8%E8%BF%87%E5%8E%BB%E5%88%86%E8%AF%8D%3FHappiness+is+like+a+pebble+dropped+into+a+pool+to+set+in+motion+an+ever-widening+circle+of+ripples.As+Stevenson+has+said%2Cbeing+happy+is+a+duty%E8%BF%99%E9%87%8C%E7%9A%84drop%E6%98%AF%E5%9B%A0%E4%B8%BA%E6%98%AF%E8%A2%AB%E5%8A%A8%E7%9A%84%E6%8E%89%E4%B8%8B%E5%8E%BB%E6%89%8D%E7%94%A8dropped%E7%9A%84%E5%90%97%3F%E8%BF%98)
drop在这里为什么要用过去分词?Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.As Stevenson has said,being happy is a duty这里的drop是因为是被动的掉下去才用dropped的吗?还
drop在这里为什么要用过去分词?
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.As Stevenson has said,being happy is a duty
这里的drop是因为是被动的掉下去才用dropped的吗?
还有第2句的Stevenson has said为什么要用现在完成时,而不是用过去完成时?
drop在这里为什么要用过去分词?Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.As Stevenson has said,being happy is a duty这里的drop是因为是被动的掉下去才用dropped的吗?还
pebble是石子的意思 这个石子肯定是被人扔井水池里的 不会自已就掉进去了 ,所以用的过去分词(被动)而不是用的现在分词(主动)
第二句用 has said 而没有用 had said 是因为这句话 名人名言 就相当于一个真理一样(当时这个不是真理,只是可以这样理解)
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过去分词就是slept,所以像slip, drop,这些都是特例。没有什么公式来决定是 为什么双写,答案就是这样,为什么我们叫人而不叫鬼?