A number of points need to be borne in mind here.

When that is decided, you can determine how big your number needs to be.

That number needs to at least go up to 1000.

"But there is simply nothing to suggest that the number of American forces would need to increase," the official said.

A number of issues need much more urgent attention than that, however.

Some 200 city officials have begun this training, but 20 times that number need help.

However, we think that a number of changes need to be made.

And a number of steps - either big or small - need to be taken.

However, a number of comments do need to be made on this agreement.

A small number of patients who have no symptoms may not need treatment.