found to do是(某人)被发现将要做某事，或者有做某事的趋势；found doing是（某人）被发现正在做某事，或者处于某种状态，此时doing代表的动名词表状态。
found的用法
表示“找到”，其后可接双宾语;若双宾语交换位置用介词 for引出间接宾语。如：
Can you find me a hotel?=Can you find a hotel for me? 你能给我找一家旅馆吗?
We found him a good job.=We found a good job for him. 我们为他找了份好工作。
比较下面一句(found 后为复合宾语)：
We found him a good teacher. (=We found that he was a good teacher.) 我们发现他是位好老师。
found的例句
1. They found a labyrinth of tunnels under the ground.
他们发现了一处迷宫似的地道。
2. I found myself behind a curtain, necking with my best friend'swife.
我意识到自己在帘子后面吻着至友的妻子。
3. He found evidence of mutated forms of the gene.
他找到了该基因出现了变异形式的证据。
4. The jury found that the NFL had violated antitrust laws.
陪审团裁决全国橄榄球联盟触犯了反垄断法。
5. Neat solutions are not easily found to these issues.
很难找到解决这些问题的巧妙办法。