swim------swimming,write-----written,swim------swimming,drop------dropped,为什么它们变形都要双写两个字母?

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swim------swimming,write-----written,swim------swimming,drop------dropped,为什么它们变形都要双写两个字母?swim------

swim------swimming,write-----written,swim------swimming,drop------dropped,为什么它们变形都要双写两个字母?
swim------swimming,
write-----written,
swim------swimming,
drop------dropped,
为什么它们变形都要双写两个字母?

swim------swimming,write-----written,swim------swimming,drop------dropped,为什么它们变形都要双写两个字母?
简单点说,遇到声母,aeiou,都要用双写.
swim - i
write - i
drop - o
懂了吗?

龟腚！！
以辅音字母结尾的单词，并且这个辅音前有一个且只有一个元音的单词，双写该辅音字母加-ing 例如；get————getting
meet————meeting

因为它们是以重读bi音节结尾并且末尾只有一个辅音字母,所以要这样变形.希望还能帮到你

单音节词，辅音音标结尾的动词

这些单词都是以重读闭音节结尾的,且末尾只有一个辅音字母,所以应该先双写这一字母,再加ing.

swim为什么变成swimming? I like swimming还是swim? swim和swimming的用法. She can __and__is her favourite sport.A.swim;swimB.swimming;swimmingC.swimming;swimD.swim;swimming swimming ＆ swim可以说 (swim team) (swimming team)为什么只能说（swimming club）不能说（swim club） swimming club 还是 swim club?swim有时也是名词啊 swim club swim与swimming 怎么样区别呢? Tom can( ) A swim B swimming C to swim We often go (swim) there是swim 还是swimming? 请问swim和swimming的区别, went swimming 为什么swim要加ing swimming lesson为什么swim要加ing like ()A.swim B.swimming(怎么做)? swim现在分词是什么swimming还是swum swim和swimming有什么不同. 用swimming lesson还是用swim lesson Do you swim还是 Do you swimming They (swim;are swimming)in the river