It's polite to use a large spoon and a fork to eat in Thailand.整个句子的句子成分分析.
问题描述：
It's polite to use a large spoon and a fork to eat in Thailand.整个句子的句子成分分析.
答
it 形式主语
is谓语
polite表语
to use a large spoon and a fork 实际主语
to eat 目的状语
in Thailand地点状语