do does doing did
have has having had
stop stops stopping stopped
eat eats eating ate
drink drinks drinking drank
sing sings singing sang
do,have,stop,eat,drink,sing的单三,现在分词,过去式
do,have,stop,eat,drink,sing的单三,现在分词,过去式
英语人气:237 ℃时间:2019-07-22 10:53:10
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