Note that, where the Romans used the accusative + infinitive in Indirect Statement and (most often) a subordinate clause in Indirect Command, English is inclined toward the reverse. 2) with a ...

In other words, "If this be true, . . ." now sits on a dusty shelf in the Museum of Good English—horrendum dictu!—so you'll be learning as much about your own tongue as the Romans' in this and the ...