Utiliser "instructively" dans une phrase

1. “Right, but the true sense of these words is a bit different,” the minister spoke instructively

2. Zygmunt said instructively, “Hydrogen gas bubbles will evolve at the metal negative electrode and oxygen gas bubbles will evolve at the positive electrode

3. ” Nevertheless, almost any man should be able to philosophize more or less pleasantly and instructively over his calling, and if statesmen, soldiers, lawyers and medical gentlemen write autobiographies and describe the various debates, campaigns, litigations and horrible operations they have been engaged in, why should not an old stockbroker chat about his business, and give a little “inside information,” perhaps, about that Street whose ways are supposed to be so tortuous?