They found the lecture hard to understand.为什么不是“to be understand”谢谢解答!

Finally,they found the boy (同义句) They found the child.(否定句) The police found they(give)wrong information They say they found the owner哪里错了 Finally,they found the last boy的同义句( )( ),they found the last body It was in the forest( ) they found the lost cow They have not found the solution of the problem.改错 they found the hospital crowdedthey found the hospital crowding 两句都行吗 组成句子：found a they standing boy the door at . They found the hospital easily翻译______________(________) they found the room____________（挤满了人） Finally,they found a ____ to the problem.(solve) the teather found they were aweak同义句改写 In the room ___ a big table and a great many chairs.A.they are found B.are found C.is found D.has been found they can be found when they arrived there ,they found some foreigner (shop)in the store they looked for the child for two days and f_____ they found him They took the bag out of the lake.They found that the photo on the passport was still clear.