句子结构 to cut the bread with

She gave me her knife to cut the bread with.
to cut the knife with 在句中作什么成分？

如换成：
She gave me her knife to cut the bread.
此时to cut the bread又是作什么呢？
谢谢大家。
问一下Ceiliaxu，可否说明一下为何第二句是补语？

cut back to the bitter bones I have been asked to have the tree cut down. 帮分析下句子结构 it brings with the major considerations that are nontradictional to goods. The rumorf turned out to be ture .分析一下这个句子的结构 I shall be delighted to meet you in the airport的句子结构分析，详细！ 请解析一下这个句子结构he had his hand extended to the Premier. The grass needs cutting. The grass needs to be cut.翻译? The rumor that Tom was a thief turned out to be ture .分析一下这个句子的结构 he decide to have his hair cut at the barber's the knife with which we used to cut things is very sharp