I am currently working on my Linguistics homework and I have to draw a tree diagram of the sentences: (1) Peter thinks Susan asked if she needs to resign. (2) Johnny said he wants to study French.
The sentence (1) Is currently the on making the most trouble for me since I don't really know how to deal with both the sentence break between thinks and Susan and the if. I first considered if as I PP but then I would miss an NP to go along with that and instead have two VP in that last part but I'm honestly not really sure if or how that would work out.
The sentence (2) is troublesome because in my current Seminar we use TPs as a head for the sentence while in the seminar where I learned how to draw tree diagrams we used S as the head of the sentence and used TP later in the structure tree. With that in mind, I would be needing a different Phrase for 'wants to study French'. If anyone could help me with the tree structure diagrams that would be amazing and if someone could give me a short explanation for why the tree diagram ends up the way it does I would appreciate that even more.