牢牢记住以下不规则动词的过去式和过去分词

buy   bought bought买

find   found  found找到

get    got      got得到

have  had     had有，吃

hear  heard  heard听见

leave  left     left离开

写出以下动词的原形，过去式和过去分词

1.买

2.找到

3.得到

4.有，吃

5.听见

6.离开