［紧急求助］英语中“众所周知”有哪些表达方式?（如用as、it、that等词；是从句的写出是什么从句.）...

It is well-known / well known that ... ( 主语从句)
It is known to all that...( 主语从句)
As is well-known, ... ( 定语从句)
That ...is well-known ( 主语从句)
..., as / which is well known ( 定语从句)
..., as is well known, ... ( 定语从句)