1.   Doctors said they were happy with how the operation had gone.

2.   The operation had gone all right, but the aftermath was not good-culminating in a blood clot.

3.   The operation had not gone without hitches because adequate amphibious shipping and transport aircraft were not yet available.

4.   Mr Connelly went into hospital, but was told that his operation could not go ahead.

5.   The first indications were that the life-saving operation had gone well.

6.   For three weeks a big operation went on to recover the wreckage from the sea bed.

7.   The five-hour operation went without a hitch.

8.   The salvage operation went on.

9.   Meanwhile, the Kenneth Williams show business operation went rolling ahead like a steam locomotive.