After 1406 its advisory role may have become more prominent.

Since 1848 the role of the first minister has become relevant.

His military role in recent years has become increasingly ceremonial.

Over time his role became that of a coach, rather than a player.

But after a while, it seemed like the roles became all the same.

However the drugs work, their role in treatment is becoming clear.

Now in her mid-50s, appropriate roles became harder to find.

For the world's central bankers, the stage these days may be smaller, but their role has become bigger.

By the turn of the century, his roles had become more serious and dramatic.

The role of quality seed has now become more important.