1> 当关系代词之后有插入语时
He made another wonderful discovery, which I think is of great importance to science. 2>在谚语中常采用that which的用法
That which is evil is soon learned. 3> 先行词是指物的that或those时
2. 限定作用但前必须有介词
He lost his temper, at which point I decided to go home.
His son insisted on joining the army, in which case he had to give in.
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In the office I never seem to have time until after 5:30, by which time many people have got home.
1. This is the gentleman who helped me out of the trouble.
2. The building which stands near the river is our school. 3. Do you know the boy whose bicycle was broken just now?
That & which 下列情况中只能使用 that 1> 先行词是everything,anything等不定代 词或是all, much,few, little以及被其修饰
Everything that can be done has been done.