1705074689
1705074690
watch 观察 → watched wish 希望 → wished
1705074691
1705074692
B. 以字母e结尾的动词，直接加-d。
1705074693
1705074694
believe 相信 → believed complete 完成 →completed
1705074695
1705074696
judge 判断 → judged love 爱 → loved
1705074697
1705074698
place 放置 → placed refuse 拒绝 → refused
1705074699
1705074700
rule 统治 → ruled urge 催促 → urged
1705074701
1705074702
C. 以辅音字母+y结尾的动词，变y为i，再加-ed。
1705074703
1705074704
carry 携带 → carried deny 否认 → denied
1705074705
1705074706
envy 妒忌 → envied reply 回答 → replied
1705074707
1705074708
supply 供应 → supplied try 尝试 → tried
1705074709
1705074710
vary 有差异 → varied worry 担心 → worried
1705074711
1705074712
D. 单音节，且以元音字母+辅音字母结尾的动词，要双写最后的辅音字母，再加-ed (大部分和现在分词变化中的动词相同，但少量有不规则变化，如get, run, set, sit, swim等)。如：
1705074713
1705074714
ban 禁止 → banned beg 乞求 → begged
1705074715
1705074716
drop 掉落 → dropped plan 计划 → planned
1705074717
1705074718
rob 抢劫 → robbed scan 审视 → scanned
1705074719
1705074720
stir 搅动 → stirred stop 停止 → stopped
1705074721
1705074722
但以x结尾的动词除外。如：
1705074723
1705074724
fix 安装 → fixed mix 混合 → mixed
1705074725
1705074726
E. 重音在最后一个音节，且结尾是辅音字母的动词，要双写最后的辅音字母，再加-ed (大部分和现在分词变化中的动词相同，但少量有不规则变化，如begin, forget等)。如：
1705074727
1705074728
admit 承认 → admitted compel 强迫 → compelled
1705074729
1705074730
occur 发生 → occurred omit 遗漏 → omitted
1705074731
1705074732
prefer 偏爱 → preferred rebel 反叛 → rebelled
1705074733
1705074734
regret 懊悔 → regretted transfer 转移 → transferred
1705074735
1705074736
但以x结尾的动词除外。如：
1705074737
1705074738
relax 放松 → relaxed perplex 使困惑 → perplexed
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