动词过去式变化规则思维导图

例如:play-played watch-watched cook-cooked

例如：bake-baked care-cared file-filed

例如：stop-stopped run-runned planned

例如：study-studied carry-carried try-tried

例如：am\is-was are-were have\has-had do\does-did can-coud will-wouid shall-should swim-swam sing-sang ring-rang sit-sat come-came give-gave run-ran drink-drank become-became begin-began buy-bought bring-brought catch-caught think-thought teach-taught send-sent build-built go-went spend-spent lose-lost lend-lent mean-menat sweep-swept feel-felt learn-learnt\smell-smel sleep=slept