指物的关系代词which和that的用法：

1. 作主语

This is the instruction manual which/that tells you how to operate the computer.

这是那本教你如何操作计算机的说明手册。

2. 作宾语包括作介词宾馆。此种情况下的关系代词可以省略：

The chair (which /that) you broke yesterday is now being repaired.

你昨天弄坏的那把椅子现在正在修理。

The film (which/that) I saw last night was about a soldier who fought in WWII.

我昨天晚上看的那部电影是关于一个在二战中打过仗的士兵的。

(本句有两个定语从句。)

This is the bike for which I paid $ 100.

这就是我花了100美元买的那辆自行车。

The car (which/that) he went in was a black Cadillac.

他坐在里面走了的那辆汽车是一辆黑色的卡迪拉克。

The accounts of the company, (which/that) I’ve been paying great attention to, are in balance.

我一直非常注意的公司账目，是保持平衡的。

3.whose 和of which 指代人或事物，作定语。of which 可用whose 代替;

The car whose lights (of which the lights/the lights of which) were all broken was my father’s.

那辆所有的灯都破了的汽车是我父亲的。

例：His house of which the windows (the windows of which /whose windows) were all broken was a depressing sight.

他那所有窗户都坏了的房子真是目不忍睹。

That is the book whose cover (of which the cover/the cover of which ) was broken.

这就是那本封皮破了的书。

4.关系代词的格应与它在从句中充当的成分一致。特别要注意插入语，考研英语考试时间

如：Peter is the one who everybody believes will fail to bring off the contract. Peter 是那个人人都认为不能完成合同的人。(everybody believes 是插入语)

At the election I voted for the man whom I believed to be the most suitable.

在选举的时候我投了我认为最合适的那个人的票。