高中英语中，哪些单词的过去分词和现在分词，要双写最后一个字母再加-ed/-ing

Question

除了重读闭音节之外的，比如travel。请把高中（和之前）学的全部列出来。

Answer 1

beg-begged-begged-begging control-controlled-controlled-controlling

stop-stopped-stopping travel-travelled--travelling

refer--referred-referring prefer-preferred-preferred regret-regretted-regretted permit--permitted-permitting

nod-nodded-nodded-nodding fit-fitted-fitted-fitting plan-planned-planning pass-passed-passed-passing