verb past tense changes rules
...下邮件发错人了 I'm afraid you the following message to the wrong person 动词过去式变化规则 Verb past tense changes rules 或许话说出来比不说出来好，没有其他意思 Perhaps better words than does not say so, there is no other means ..
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verb past tense changes rules
动词过去时改变规则
以上为机器翻译结果，长、整句建议使用 人工翻译 。