i am glad to see you中to see在句子中是做什么的

am i glad to see you. I am very glad to see you i am glad to see you.when ()you()here. I am glad to see that you are being well______ I am glad to see you again 中文意思是什么? Boy am i glad to see you是什么用法啊? 英语语法高手请进I am glad to see you .to see you 作什么成分?为什么? glad to see you I'm glad to see you again. I am____(glad gladly)to see you I'm really glad to see you I'm glad to see you.中的to see you在句中做什么成分