1.a number of 大量的(修饰可数名词)
the number of 某某的数目
例:
There are a number of trees around the house.
房子旁边有很多数
The number of the students in class 1 is 56.
一班的学生人数是56.
2.escape from 从某某地方逃离,所以后面是someplace
3.想了一下你最近做的一个梦.
think of a dream (you had recently)
you had recently这里做后置定语修饰前面的dream.
4.例:
I didn't know that you were here yesterday.
我不知道你昨天在这.
I want to know who studys best in your class.
我想知道你班上谁学习最好.
He didn't tell me which book to choose.
他没告诉我该选哪本书.
定语从句是要靠积累的,不可能一时就可以全部弄懂,
要花功夫的,加油!