1.is – was 是 2.are –were 是 3.do –did 做 4.does—did 做 5.have—had 有，吃，喝 6.has—had 有，吃，喝 7.live –lived 居住 8.drive– drived 驾驶 9.cook– cooked 做饭 10.work—worked 工作 11.teach—taught教 12.dance—danced 跳舞 13.learn—learnt学习 14.walk—walked 步行 15.go—went去 16.send—sent 发送 17.write—wrote写 18.see—saw 看见 19.read—read 读 20.get—got 得到