过去式：showed；过去分词showed或shown；现在分词showing。show的基本意思是“给…看”，可指有意或无意地将某物置于他人视野内，也可指将他人带到能看到该物的地方。
show的过去式例句
1.Middle East peace talks in Washington showed signs of progress yesterday.
昨天在华盛顿举行的中东和谈有了取得进展的迹象。
2.The boy first showed promise as an athlete in grade school.
这个男孩在上小学的时候就初次显示出成为运动员的潜力。
3.He showed great courage by admitting that he is an alcoholic.
他以极大的勇气承认自己酗酒。
4.The letter showed horribly clearly the workings of a twisted mind.
那封信非常清楚地表明了一个变态者的思维方式。
5.He was wearing shorts which showed his long, muscular, hairy legs.
他穿着短裤，露出自己强壮多毛的长腿。