Aeneid II 40-56

1a           First Main Clause Begins
2       Ablative Absolute
1b First Main Clause Continues
1c First Main Clause Concludes (Supply inquit or clāmat)
1d Second Main Clause (supply est)
1 Main Clause
2       Indirect Statement
1a Main Clause Begins
2a       Indirect Statement Begins
1b Main Clause Concludes
2b       Indirect Statement Concludes
1 Main Clause (supply est)
1a First Main Clause Begins
2       Participial Phrase
1b First Main Clause Continues
1c First Main Clause Continues
3a       Participial Phrase Begins
3b       Participial Phrase Concludes
1c First Main Clause Concludes
1d Second Main Clause
1a First Main Clause
1b Second Main Clause
2       Participial Phrase
1       Participial Phrase
2a Main Clause Begins
3       Adjectival Phrase
2b Main Clause Concludes
1a Main Clause Begins
2a       Ablative Absolute Begins
1b Main Clause Continues
2b       Ablative Absolute Concludes
1c Main Clause Continues (supply cavernae from 1d)
1d Main Clause Concludes
1a Main Clause Begins
2a       First Conditional Clause (supply nōn laeva fuissent from 2b)
2b       Second Conditional Clause
1b Main Clause (Apodosis) Continues
1c Main Clause (Apodosis) Continues
1d Main Clause (Apodosis) Concludes