Had better have been, or this operation could run into serious trouble.

When the message is clear, the entire operation runs better.

From the start it appeared that the operation was running into problems.

The operation ran until its conclusion on 1 May 2003.

The operations from this funding will run until summer 2003.

He predicted that at least some operations could be running within two weeks.

The success was such that the operation, planned to last a month, ran for more than three years.

You will see the same sort of operations running through the year.

"It's hard to believe this operation ran for so long without anyone knowing."

But this is not at all the same as saying they would lose heart if the operation ran into serious difficulties.