New York's political pattern changed little after the mid-19th century.

It may be very nice to have them at home, but the pattern of life does change.

This pattern would only change in the late 60s and early 70s.

But that pattern has changed in the last three years.

But in the strong economy of recent years, that pattern also changed.

Not only does the pattern of young people's activities change over time, it also changes as they age.

Sleep patterns change after people reach the age of 40.

Then the pattern changed and the kid started to write again.

But that pattern has changed in the last couple of decades.

But the pattern changed as they approached the 26degree line.