Question

分析句子成分On behalf of Costumes Inc., it is my great pleasure to invite you to our annual sales c

请问，有谁知道这句子中有什么语法点么，可以帮我指出么？万分感谢！
On behalf of Costumes Inc., it is my great pleasure to invite you to our annual sales conference, which will be held on October 27-29, 2001 at the Chongqing Conference centre
是完的句子整

Answer 1

it作形式主语， to invite you to our annual sales conference是真正主语
which 引导非限，先行词是 our annual sales conference

Answer 2

1.短语 on behalf of 为了……的利益；代表
2.it is one's pleasure to do sth. 做某事是某人的荣幸。
作为Costumes Inc.的代表，我很荣幸地邀请您参加我们的年度销售会展。会展将于2001年10月27日在重庆会展中心开幕，直到29日结束。

Answer 3

语法点
1. On behalf of + 名词 代表···
2. 独立句式 it is···to do sth
例如 it is (my pleasure) to do sth很荣幸/很高兴 做什么 的意思
it is (my honor) to do sth
这个句式应用很广，中间也可以加形容词 例如
It is good for you to study this hard. 你能这么努力真是挺不错的
3. which 定语从句 “which 引导的句子” 是“our annual sales conference”的定语。