The Sentence Diagram Generator visually represents the grammatical structure of the sentence: "His account totalling over 50 pages, the indulgent senator, a freshman member of Congress, began interpreting it for the committee, ignoring the other's bored expressions."

1. Main Clause: "the indulgent senator began interpreting it for the committee"

   • Subject: "the indulgent senator"
     • Modifier: "a freshman member of Congress"
   • Verb: "began"
   • Direct Object: "interpreting it for the committee"
     • Direct Object: "it"
     • Prepositional Phrase: "for the committee"

2. Participial Phrase: "His account totalling over 50 pages"

   • Subject: "His account"
   • Participle: "totalling"
   • Prepositional Phrase: "over 50 pages"

3. Gerund Phrase: "ignoring the other's bored expressions"

   • Gerund: "ignoring"
   • Direct Object: "the other's bored expressions"

This structure highlights the relationships between the components of the sentence, illustrating how modifiers and phrases interact with the main clause.