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stady、stop、leave、help、say、see、call、pick、buy的现在分词和过去式、过去分词

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 02:33:38
stady、stop、leave、help、say、see、call、pick、buy的现在分词和过去式、过去分词
应该是study吧?
study-studying-studied-studied
stop-stopping-stopped-stopped
leave-leaving-left-left
help-helping-helped-helped
say-saying-said-said
see-seeing-saw-seen
call-calling-called-called
pick-picking-picked-picked
buy-buying-bought-bought