过去式: 1、met 2、found 3、drove 4、left 5、bought 6、brought 7、took 8、sent 9、lost 10、heard 过去分词: 1.met 2.found 3.driven 4.left 5.bought 6.brought 7.taken 8.sent 9.lost 10.heard 句子: Has she left?---No,she hasn't left. What did he buy in the shop?---He bought a pencil in the shop.追问