I'm sorry to keep you waiting.这是一句什么句式的句子 主谓宾?还是什么

I'm sorry to keep you waiting.这是一句什么句式的句子 主谓宾?还是什么 I'm sorry to keep you waiting. I'm sorry to keep you waiting so long -i'm sorry to keep you waiting -______ I'm sorry to keep you waiting.如何划分句子成份? 问个初中英语语法知识[I'm sorry to keep you waiting.逻辑的主谓关系]请问哪个是逻辑的主语和 i'm sorry to tell you .这个句式的答句应该用什么? I'm sorry to have made you waiting是什么结构的句子 1 I am sorry 是不是主系表结构 I am sorry to keep you waiting.句子中的to 选择题--I'm sorry to keep you waiting so long?--- 选哪个正确A.Don't I'm sorry to keep you waiting.对不起,让你久等了 I'm t______ sorry to keep you waiting for two hours.