Draw phrase structure trees for the following two sentences, using the PS rules in the table below. Hint: Start with CL at the top of your tree, and...

Draw phrase structure trees for the following two sentences, using the PS rules in the

table below. Hint: Start with CL at the top of your tree, and follow the PS rules below to the letter!

You should be able to draw both trees by following only these rules. Remember that

(parentheses) means that the component is optional. If the element is not in

parentheses, then it is not optional and you must include it in your tree. XP can stand for

different types of phrases (see Study Notes): a NP, VP, AdjP, AdvP, or PP.

CL -> NP Aux VP AP -> (Deg) A

NP -> (Det) (AP) N (XP) AdvP -> (Deg) Adv

Det -> that, ten, some, the, etc PP -> (Deg) P (XP)

VP -> V (XP) Deg  very, so, too, clear, etc

Aux -> modals, have, be XP = a phrase of any category

(NP, PP, etc)

a) They partied until the rising of the sun.

b) The kind doctor from the new hospital called every day.