He told us all that he had seen的用法是什么？
1、He told us all that he had seen.他告诉我们他所看到的一切。（all为直接宾语，that引导定语从句修饰先行词all）
2、He told us all what he had seen.他告诉我们所有的人他看到了什么。（all作间接宾语us的同位语，what引导名词性从句作直接宾语，且在从句中作had seen的宾语）
3、He told us all that he had seen the stoken car.他告诉我们所有的人他看到了那辆被盗的轿车。（all作间接宾语us的同位语，that引导名词性从句作直接宾语，that在从句中不担当成分）
扩展阅读：last night tom his book ... tom told mary that he ... their house needs but ... he told a stranger ... he told me about his ... he told me how he had ... he told her nothing ... he promised to be here ... please dont make so ...
