1.I saw a girl who was crying under the tree.(定于从句）
2.When I was driving,I saw a girl standing near a bookshop.（时间状语从句）
3.I saw a lovely girl with yellow curl hair and big eyes.（with伴随状语）
4.In spite that I had bad eyesight,I saw a girl in the distance.（条件状语从句）
5.If I had an excellent eyesight,I should have seen a girl in the distance.（虚拟）
6.I was so excited that I could see a girl in the distance.(so that从句）