（5）所属关系用to的情况：
钥匙（key）,答案（answer）,纪念碑（monument）；
注释（note），索引（index）和附录（appendix）;
出口（exit）,入口（entrance），桥（bridge）与路（road, way）；
所属关系都用to。如：
When he got home, he found he had lost the key to the room.
回到家，他发现把房子的钥匙丢了。
Read the passage carefully and find out the answers to the following questions.
认真阅读这段文章并找出下列问题的答案。
16、Can you find the following command and request from reading?
你能从阅读文章中找出下面命令和请求吗？
request 请求；要求
用法归纳：
(1) request sb. to do sth. 要求某人做某事
My mother often requests me to do some housework. 妈妈常要求我做家务。
(2)request to do sth 要求做某事
The little boy requested to do something he could. 小男孩要求做些他力所能及的事情。
(3) request sth from / of sb. 向某人要某物
Can I request a word of you? 能求你说句话吗？
(4) request that sb. (should)do sth. 要求某人做
We requested that he tell us the truth. 我们要求他告诉我们实情。
特别提示：
一坚持：insist 二命令：order, command 三建议：advise, suggest, propose 四要求：ask, demand, require, request 后跟宾语从句时，宾语从句的谓语要用should +动词原形，should可以省略。
联想扩展：
make a request 请求
at the request of 依照；按 的要求
命题动向：
考查request时，主要考查request跟宾语从句时宾语从句谓语动词的用法。有时还会考查request, require 和其他动词词义以及句型的区别。 即时活用：
The chairman requested that _____________.
A. the members studied more carefully the problem
B. the problem was more carefully studied
C. with more carefulness the problem could be studied
D. the members study the problem more carefully
答案：D