is under revising vs is under revise

Some examples from the web:

• Under these principles, revising the Community acquis takes the form of an ongoing, systematic process whereby the lawmaking institutions can review the legislation taking all stakeholders into consideration.
• Relax, Martin, everything is under control.
• - Madrigal is under investigation by the DEA.
• The Protection Squad is under the Prefecture Chief's supervision.
• This lady is under our protection.
• All right, liver hemorrhage is under control.
• Judge Emerson is Under judicial review.
• The house is under the trust.
• Castle Pendragon is under my protection.
• This woman is under my authority.
• Access to more authorities is under discussion.
• - This man is under my protection.
• The request is under consideration, Commissioner.
• A city-wide search is under way for Vercel.
• European culture is under siege from Atlanticist values.
• England is under threat of invasion.
• Your vessel is under our control.
• Your client is under arrest for now.
• Your new friend Wallowski is under the microscope.
• He writes Victoria is under Melbourne's control.

Some examples from the web:

• Are there any plans or proposals or is it under consideration to revise, modify or otherwise alter the existing Trade Agreements between East Timor and the EU?
• Are there any plans or proposals or is it under consideration to revise, modify or otherwise alter the existing Trade Agreements between Grenada and the EU?
• Are there any plans, proposals, or is it under consideration to revise, modify or otherwise alter the existing trade agreements between Bahrain and the EU?
• Are there any plans, proposals or is it under consideration to revise, modify or otherwise alter the existing trade agreements between Canada and the EU?
• Are there any plans, proposals or is it under consideration to revise, modify or otherwise alter the existing trade agreements between the Democratic Republic of Congo and the EU?
• Are there any plans, proposals or is it under consideration to revise, modify or otherwise alter the existing trade agreements between Costa Rica and the EU?
• Are there any plans, proposals or is it under consideration to revise, modify or otherwise alter the existing trade agreements between the Côte d'Ivoire and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between Jamaica and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between Kiribati and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between El Salvador and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between Ethiopia and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between the Republic of Guatemala and the EU?
• Are there any plans or proposals, or is it under consideration, to revise, modify or otherwise alter the existing trade agreements between the Republic India and the EU?
• Work to revise this agreement in the light of experience gathered is under way.
• A proposal to revise the mechanism for extending collective agreements is under preparation.
• So it is essential to revise the directives to guarantee water quality in Europe, which is under serious threat today.
• Relax, Martin, everything is under control.
• - Madrigal is under investigation by the DEA.
• The Protection Squad is under the Prefecture Chief's supervision.
• This lady is under our protection.