based是实词还是虚词

based是实词还是虚词？

based是实词，例如：

1.The decision was based on emotion rather than rational thought.这个决定不是基于理性的思考而是基于感情作出的。

2.Their foreign policy is based on the principle that 'might is right'.他们的外交政策遵循“强权即公理”的原则。

3.The report is based on figures from six different European cities.报告的依据是欧洲六个不同城市的数据。

based是实词不是虚词