know,find,catch,buy,buy,find,hear,say,mean,read,let的过去式

问题描述:

know,find,catch,buy,buy,find,hear,say,mean,read,let的过去式

knew,found,caught,bought,bought,found,heard,said,meant,read,let

know, knew
find, found
catch, caught
buy, bought
hear,heard
say, said
mean, meant / meaned
read, read 与原形相同
let, let 与原形相同

knew
found
caught
bought
bought
found
heard
said
meant
read
let
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