However, it can be improved considerably with the help of special training.

And it has improved considerably in the last five years.

At the end of the 20th century things appear to have improved considerably.

But in the past two or so years, he said, "things have improved considerably."

This is a very important new measure which has considerably improved the position of the research industry.

The channel of the river has been considerably improved by the federal government.

While Head considerably improved the design of the ball machine, he still did not get any better at the game.

The company's profit picture has improved considerably in the last year or so.

However, service quality has improved considerably over the last fifteen years.

The level of restaurant cooking has improved considerably in the past 5 to 10 years.