在英语中,"that"和"which"都可以引导定语从句,但它们的使用有所不同。当定语从句所修饰的内容需要被限定或主语是物时,通常使用"that";而"which"则更适用于描述性质或状态。选择正确的关系词可以使句子更加清晰明了。
首先,当定语从句所修饰的内容是必须要被限定的时候,我们应该使用that。例如:
- The book that I bought yesterday is very interesting.
- The car that he drives is red.
在这两个例子中,定语从句所修饰的内容都是必须要被限定的,使用that可以让句子更加清晰明了。
相比之下,which则更适用于描述性质或状态。例如:
- My new phone, which has a large screen, is very expensive.
- The movie, which was released last month, is very popular.
在这两个例子中,定语从句所修饰的内容并不需要被限定,使用which可以更加准确地描述这些内容的特点或状态。
另外,当定语从句所修饰的主语是物时,我们通常使用that而不是which。例如:
- The pen that I borrowed from you is on the desk.
- The book that I read last night was very interesting.
在这两个例子中,定语从句所修饰的主语都是物,使用that可以让句子更加流畅自然。