The phrase "constitute a considerable" is a grammatically correct and usable phrase in written English.
It can typically be used to describe a large amount of something. For example, "The damages from the flood constitute a considerable amount of money."
Copts constitute a considerable part of the population of the governorate.
Moreover, baggage carts are not allowed on the platform because their presence would constitute a considerable hazard in emergency scenarios, and could create havoc to expeditious egress.
In fact, it's extremely important that authors should continue to visit schools: both the lesser-known writers for whom school visits constitute a considerable portion of their earnings, and more famous ones who don't need the money.
The plans, once approved, would constitute a considerable expansion of Har Homa, a Jewish residential development in southern Jerusalem in territory that Israel captured from Jordan in the 1967 war, then annexed.
Furthermore, memory transfers constitute a considerable overhead for the GPU implementation.
Fractured carbonate reservoirs constitute a considerable proportion of hydrocarbon reservoirs in the world.
In addition, the reexportation of goods constitutes a considerable portion of the country's export trade.
In the east the Gobi, dividing Outer Mongolia from China proper, constituted a considerable barrier.
Together, these items -- the room, the basic supplies, the free transportation -- constituted a considerable capital investment in my program, all of it provided at taxpayer expense.
Frequently distinguished by considerable technical competence, wit, sophistication, and elegance, light poetry constitutes a considerable body of verse in all Western languages.
Nevertheless, prostitution flourished: it was not merely tolerated but also protected, licensed, and regulated by law, and it constituted a considerable source of public revenue.
