如何把一般句子改为定语从句,举几个简单的例子说说方法.

1,there students whose parents have come to china for business like the school very much .whose 连接词修饰student 的 一个定语从句2.the teaching building which was put up last year looks like nice which休息先行词building3.the man who is standing in the in front of the school library is the headmaster who 修饰先行词man4.next to him stands a girl whose name is tinawhose修饰先行词girl5.tina to whom the school gave a medal for winning the writing competition is the top studentwhom修饰现行词tina