Present Perfect-Present Perfect Continuous​

1. The value of intermediate components and services is absorbed by final goods.
2.The value of imported goods and services is not included in the gross domestic product.
3. The statistics provided by the agency won't be relied upon by us.
4. Alternative automobile fuels are looked for by chemists and engineers.
5.The basis for a nationwide environment conservation project has been made up using the natural resources examination data.
6. Support has been distributed among producers by the government.
7. Tax relief has to be provided for smaller producers by the government.
8. Farming support policies  are applied flexibly by the US administration.