Figure 4 ..
__.33 p.8Figure 4.2.1
p.8Fig 5.1.
Adjoining ~ st the root of the sub-tree "r gives us the seutential tree in File 5.1 p.10Fig 5.1.
Let ~ be In auxilliary tree and let a be • eentential tree as in Adjoining ~ st the root of the sub-tree "r gives us the p.10Figure 6.__2
p.11