The structure of CPs: Tree diagrams
a) The child wanted to know CP[when his father would be back].

b) The man announced CP[that he would hand in his notice].

c) CP[When will John leave England]?

a) The child wanted to know CP[when his father would be back].
b) The man announced CP[that he would hand in his notice].
c) CP[When will John leave England]?