请把神马过去式都收集来吧、

原形 过去式 中文释义am was 是（表示存在、状态等）are were 是（表示存在、状态等）become became 成为；变成begin began 开始break broke 打破bring brought 拿来；取来；带来build built 构筑；建造；建筑buy bo...