1.In winter,The young children like to play in the snow.
In winter时间状语 young定语 children 主语like谓语to play宾语 in the snow地点状语
2. The boy who is wearing a red coat often goes to the library on saturday.
The boy 主语 who is wearing a red coat 定语从句 goes 谓语 to the library宾语
on saturday时间状语
3. I found him guilty.
I 主语 found 谓语him 宾语guilty宾语补足语