It was he who told me the truth. 这是强调句。
但是:It was him. He told me the truth. 写成定语从句不就是”It was him who told me the truth." 吗?
比如I know him. He bought a new car. 写成定语从句不就是"I know him who bought a new car?"吗?
如果第三行的句子是对的,那么第二行不也是对的吗?