读出找出的过去式单词。
例如speed,它的过去式从sped变为speeded,这可能是因为该单词的意义由“快速移动”到“加速”的转变。
For the word speed, for example, a past-tense change from sped to speeded may have been accelerated by a shift in the word's meaning from "to move rapidly" towards "to exceed the speed limit."
比如“write”一词,有该词的原形的“write”、第三人称单数的“writes”、过去式的“wrote”以及过去分词的“written”。 是把它们算为4个单词呢,还是算为1个单词?
Should “write”, “writes”, “wrote”, “written” count as four words or one?
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