A tornado warning means that a tornado has been seen.

VOA: special.2010.05.11

"Jogja actually has been seen as a successful model for a reconstruction program because the government is very open, the government is very assertive and they are very easily approachable to work with."

VOA: standard.2010.04.14

He has already been seen shooting hoops on the basketball court outside.

VOA: special.2009.05.08

"I think most of the violence that we have seen from extreme right-wing groups has been of a more, if you will,casual,street variety targeted against demonstrations by immigrant groups or simple attacks on immigrants."

VOA: special.2011.07.30

Dr. William Abraham of Ohio State University "It has been a decade since we have seen a trial this positive."

VOA: standard.2010.06.04

The soldier is being held in the Hamas-ruled Gaza Strip but has not been seen since his capture.

VOA: standard.2009.03.15

"Fiona has always been a warrior. I've always seen her as that: a warrior of love."

VOA: standard.2010.05.27

"It has been a tour where we have seen things changed,".

VOA: standard.2009.10.12

We've seen two bi-partisan commissions come out just this January saying al-Qaida has been trying to get nuclear weapons since the 1900s and they are actively continuing to do so."

VOA: standard.2010.04.06

So in addition to what each side's own intelligence services are able to pick up, the treaty provides additional information which has always been seen as being of great confidence-building value."

VOA: standard.2009.12.07