1say something that is clearly true.这里that引导定语从句
如果在say后面加that变成宾语从句,应该是say that something is clearly true.
两句意思有区别
2he looks good in blue.和Do you want to see the winter jacket on me?在表穿着时,介词in和on的区别 是 前者后面是颜色或衣服,后者后面是人
what did you mean by “well...?”这里为什么用介词by,什么意思?
答：by, PREPx09说（某词语或某一番话） If you say what someone means by a particular word or expression, you are saying what they intend the word or expression to refer to.
Stella knew what he meant by 'start again'...
斯特拉知道他说“重来”是什么意思.
'You're unbelievably lucky.' — 'What do you mean by that?'
“你真是太幸运了.”——“你这话是什么意思?”
3are you going to tell me what's on your mind?这里what引导的是名词性从句,作直接宾语,what是从句中的主语.
4the company in Los Angeles that does his major accounting work is looking for an executive.这里的that 引导的是定语从句does是从句中的谓语
在洛杉矶做他的主要会计工作的该公司在寻找一个总经理 .
It's easy to see.
to see是状语；或真主语
根据to do所修饰的成分判断