I 'd be glad to中为什么要加“be" glad不是动词吗

I 'd be glad to中为什么要加“be glad不是动词吗 I'd be glad to. i'd be glad to.would 为什么要放在be前面详细解释,谢谢 I'm glad to be here.中be的用法是什么?为什么要用原形?be的意思是什么? I'd be glad to 中I'd的 完全形式 I am glad to be I will be ________from you.A.glad much to hear B.only too glad to hear C.too glad only to hear D.too only glad to hear I 'd still be glad to.help out.with any of the party preparation中'd表示什么,help out you may be glad to have them为什么要 be We will be glad to attend或者I am very glad to meet you!为什么加will用原型be glad to do请老师指导 i'm very glad to be here.这里的To是如何使用的?为什么要加to? I'm very glad to be have ,I'm glad to be here with I am glad to be your penfriend .I can't come to see the movie with you tonight.I really would be _______,but I have a very imp(A) glad (B) glad to have (C) glad to (D) glad to do I'm glad ( ) hereA.be B.live in C.to live D.to live in 我想问一下,I'd be glad to have you over again.是什么时态? will you please go shopping with me? of course, i'll ( )A.glad to B. want C. want to D. be glad to