what you say is true.中的主语what you say 可换成what you said吗

what you say is true.中的主语what you say 可换成what you said吗 what you say is quite true.中的what等于that which.若换成that which what you say is partly true. Did you say that what he said was true 请问what you say is what you Do what you say,say what you Is It True (What They Say About You) 歌词 Say What You Say 歌词 What did you say?What have you said? Say what you can do,Do what you said! What do you say? What did you say? What did you said? ---What did you say?