主语从句

• 连词 + 主语从句 + 谓语 + 宾语
  eg：Whether you choose it depends on you.
eg：That he is the most handsome man in the movie is obvious
whether / that ：看意思,that在句子中没有意思
• It + 谓语 + (宾语) + that / whether + 真正的主语
  It is a fact that the air-cons save our lives in summer
It is unlikely that we can survive in summer without air-cons.
It is said that the air-con was invented by Willis Carrier.
• 连接代词 + 主语从句 + 谓语 + (宾语)
  Whoever taught me to swim ended up losing patience.
What doesn't kill you makes you stronger.
Who will attend the meeting is unknown.
• 连接副词 + 主语从句 + 谓语 + (宾语)
  Where I will go travelling has not been decided.

常见俗语

What's over is over. 过去的已经过去了
What's done is done. 过去的已经过去了
Whatever you say goes. 你说了算
Whatever will be will be. 顺其自然吧

如何正确选择连接词

• 找到句子的主语从句
• 看这个主语从句从语法上看是否缺少成分
• 若缺少成分，就从连接代词选；若不缺少成分，就根据语义从连词或者连接副词中选