i have a lot of work to do to do是句子里的什么成分

i have a lot of work to do to do是句子里的什么成分 这个句子 I have a lot of work to do .的成分分析 i have a lot of work to do.否定句 i ( )have ( )work to do. I have a lot of work to do I have a lot of work to do,变为被动 i have rather a lot of work to do 语法I have a lot of work to do. I have a lot of work to do.属于五个简单句中的什么句型?（to do 在句中是什么成分?） DO you have to do a lot of traveling in your work?这里的 have t Do you have a lot of work to do today?这句话有什么错误么 i have a lot of work to do.这里工作是被做 为什么不用to be done. I have many things to do.请问to do在句子里做什么成分?