It is alovely park with a lot of beautiful tree

问题描述:

It is alovely park with a lot of beautiful tree
上面这句错在哪
1.there was a woman in the car with two mens.
2.david is married and has three childs.
这些句子都哪里错,

第一个是trees
第二个是men而不是mens
第三个是children而不是childs