It was pointed out to us that the office was closed.我们被告知办公室关门了请问其中:1.that the office was closed是什么从句?"that"在从句作什么成份,2.to 作什么成份?

It was pointed out to us that the office was closed.我们被告知办公室关门了请问其中:1.that the office was closed是什么从句?"that"在从句作什么成份,2.to 作什么成份?
It was pointed out to us that the office was closed.
我们被告知办公室关门了
请问其中:
1.that the office was closed是什么从句?
"that"在从句作什么成份,
2.to 作什么成份?

It was pointed out to us that the office was closed.我们被告知办公室关门了请问其中:1.that the office was closed是什么从句?"that"在从句作什么成份,2.to 作什么成份?
①这句是主语从句,其中“it ”只是作形式主语,这句的真正主语是“the office was closed”；
②“to us” 是要跟“pointed out ”连接的,“us”是作为宾语,为被告知的对象,意为告知我们；
③整句其实你也可以理解为“the office was closed”was “ pointed out to us”.

1主语从句 是it的具体内容.that是引导词，无意义
2to us 是 对我们 的意思。是个介词词组，做状语

1、主语从句，THAT是关联词，虚词，无意义，语气助词。
2、给我们我们，TO US英语句子里做宾语，中文句子做主语。