In the next instant she moved staggering back a couple of steps, as if her balance had become uncertain.

He thought about the rebels and became even more uncertain.

Time to go, into a future that was becoming ever more uncertain.

After almost two hours he was becoming uncertain of his original assumption.

Besides that, the legal status of the children would have become uncertain.

They complained that the program's organization and focus had become uncertain.

For the first time in his career, though, his status has become uncertain.

Yet the young are living in an age which over the past year has become dramatically uncertain.

The labour market is changing, and working conditions have become uncertain.

The agreement's future in Congress is also becoming increasingly uncertain.