11.   It is impossible at this point to know what she would stand for as a candidate on her own.

12.   Ms. Brammer added that it was impossible at this stage to predict how long the increase in cases would last.

13.   NASA experts say redesigning and rebuilding the spacecraft would be impossible at this stage.

14.   Other than that, it is impossible at this particular time to figure whether the Jacques Cousteau-deep Blazers can make good on all that enviable talent.

15.   Speaking English was impossible at first.

16.   Tightened spending controls and frequent audits of government offices have made embezzlement all but impossible at the federal level under outgoing President Ernesto Zedillo, some experts say.

17.   New increases in arrastre and stevedoring rates at the Port of Manila is technically impossible at the moment.

18.   But he said it was impossible at the time to know that they were not to be used for normal agricultural pursuits.