They required a certain amount of knowledge but not a great deal.

Once again, a huge amount of political will is required.

A great amount of time was required to do this.

What amount of effort and time are required to complete the project?

In all cases the same limited amount of information is required.

To get more matter to form requires a much greater amount of energy, all in the same place.

A large amount of stone was required for the project.

However, note also that these require a large total amount of energy.

It will also require a significant amount of time to complete.

He knew that getting the product to market quickly would require a significant amount of money.