专升本英语定语从句重点：
1， 当all，anything，everything，something，nothing，much，very ，little，none，
最高级best，序数词：second，only 修饰的时候，the right，the last ，只用that
All books that are on the desk are so good 所有在书桌上的书是很好的
2， 介词+which=when或者where，
I see a school where（in which）I studied 我看见我学习过的学校。
I remember the day when（on which）I saw you 我记得我看见你的日子。
I remember the man with whom you talked 我记得你和他谈话的那个男人。
I see a man who/that is tall 我看见一个高的人
I see a desk which/that is clean 我看见一个干净的书桌。
I see a man whom you talked with 我看见你和他谈话的男人
I see a man you talked with
I see a desk which you cleaned 我看见了你打扫过的桌子
I see a desk you cleaned
I know a man whose name is Tom 我认识一个叫做汤姆的人
I see a man ，who is good at English ，我看见一个男人，他很擅长英语
I see a desk ，which is clean ，我看见一张桌子，这个桌子很干净
As I know ，He is a good man 据我所知，他是一个好人
As is known to all ，he is a good man 众所周知，他是一个好人。
