"The economy has deteriorated considerably over the last month or so," he said.

The water quality has deteriorated considerably during the last three decades.

The health of the population has deteriorated considerably since the mine was built.

In June, the press released news that his health state had deteriorated considerably.

The Palestinian population's conditions of life have deteriorated considerably during the most recent period.

As a result of its travels, the picture had deteriorated considerably and required major restoration work.

"It focused attention on the fact that we had allowed our infrastructure to deteriorate considerably."

During the rainy season, both urban and rural road conditions deteriorate considerably.

During the 1930s, his sight deteriorated considerably, and in the postwar years he became completely blind.

Their health had deteriorated considerably and they were hospitalized.