The meeting will commence.

Tom's trial commenced three days later.

Tom gave the commencement address.

Mevrouw commenced playing softly upon the piano.

​Demander can also mean “to wonder” in French, if you put the word me in front of it. So, for example, the expression “Je me demande quand le film commence” means, “I wonder when the movie begins.”

Perhaps you cannot yourself recall how your reverie commenced?" "No, I cannot." "Then I will tell you."

Direct flights between New York and Tokyo commenced recently.

Hostilities commenced.

With North Korea's announcement on the 26th of its nuclear development plan based upon the agreement stemming from the Six Party Talks, and the United States' commencement of procedures to remove North Korea from its designation on the list of State Sponsors of Terrorism, the families of abductees have expressed growing unease that it may constitute an abandonment of the abductee issue.

The conference will commence in due course.