1. It作先行主语和先行宾语的一些句型
She had said what it was necessary to say.
2. 强调句型采集者退散
It is not who rules us that is important, but how he rules us.
3. "All+抽象名词"或"抽象名词+itself"(very+形容词)
He was all gentleness to her.
4. 利用词汇重复表示强调
A crime is a crime a crime.
5. "something(much)of"和"nothing(little)of"