Linguistics tree mapping question, this is the X^1 schema type tree mapping (if that narrows it down) and the questions are covering sentences. I just need a walkthrough of a few sentences, structurally I think I understand the maps I'm just having a hard time visualizing them/actually mapping them.

Marianne could become quite fond of Leroy

this one includes clauses:

the fisherman think that the company polluted the bay.

these involve inversion transformation:

Can the dog catch a frisbee?
Must the musician play the sonata?

these involve wh movement and inversion:

What can Joanne eat?
what might terry sing?
Who should call the director?

Any help at all would be appreciated.