He came to Japan when he was a boy of ten.

Source: Tatoeba

I had already sent you the letter when you called.

I'd already sent you the letter when you called.

Source: Tatoeba

You wake up lying on the rocky floor of a dark cave. A little light filters down from above. You can just make out a couple of openings leading away from the cave. What do you do now?

Source: Tatoeba

When my mother was young, she was very beautiful.

Source: Tatoeba

When does the library close?

What time does the library close?

Source: Tatoeba