How do you diagram this sentence? Please don't ask me to do the mashing.

Answer 1

I can't show you much diagramming in this forum.

However, this site has excellent explanations and illustrations of diagramming.

http://grammar.ccc.commnet.edu/grammar/diagrams2/one_pager1.htm

Note that the subject is the understood you. The infinitive phrase is the object of the verb.