"It will probably not be possible until late tonight," Rosenzweig said.

However, today's mechanical products were not possible until the development of the small electric motor in the early 20th century.

This was possible until the 1970s due to safety reasons.

But then, unless one spent too much, it had not been possible to lose money on any movie until the flu epidemic.

Few would have thought it possible until recent weeks.

The doctor said a full evaluation was not possible until morning.

River trips are usually only possible until December, after which a lack of rain sees water levels drop.

With snow and frozen ground only weeks away, progress will not be possible in most of the country until next spring.

I would never have thought it possible until this moment.

I also believe that transitional periods are possible until 2007 at the latest.