I am very glad to have received the letter中to后面为什么用完成时?to后是不

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/29 17:59:22

I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个...
I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个句子不是有两个动词了吗?求详解

I主语 am系动词 very glad表语 to have received the letter状语
to后面用了不定式的完成时,表明have的动作的时间在am状态所表示的时间之前；to是不定式符号,后面必须跟动词原形,但to do属于非谓语动词形式,而am是谓语动词形式,两者并不矛盾,是兼容的.

I am very glad to have received the letter中to后面为什么用完成时?to后是不一道改错I'm very glad to have received the letter you sent me tw I'm very glad to have received the letter you sent me two we 英语高考短文改错i'm very glad to have received the letter you sent m 英语改错.I'm very glad to have received the letter you sent me t 英语短文改错I’m very glad to have received the letter you sent me Dear lucy.i'm very glad to have received the letter you sent 英语,短文改错,急共十处错误.不分大小写I'm very glad to have received the lette 高一英语改错题1.I'm very glad to received your letter,mentioning ou 英语短文改错hello,Jack.I'm so glad to have received your letter.Yo I am very glad to write to you this letter. My name is Kelin 英语翻译Dear Lucy,Glad to have received your e-mail.Now I am wri