The phrase 'require maintaining' is correct and usable in written English.
You can use this phrase when you need to convey that something needs to be cared for or attended to on an ongoing basis. For example: "The garden requires maintaining on a daily basis."
But they also say that immediate mosquito control problems require maintaining the old ditch system.
Green Haven's overarching theme is sustainability, which will require maintaining more than just an ecological balance.
Another tactic would require maintaining a fine spray of seawater the world's biggest fountain which would mix with salt to help clouds block sunlight.
Another tactic would require maintaining a fine spray of seawater — the world's biggest fountain — which would mix with salt to help clouds block sunlight.
Improving growth over the longer run, he said, would require maintaining a tight budget leash in a country where Mr. Bajnai, after a long period of heady public spending under the previous government, has presided over a series of politically painful measures.
f Neither running mean nor running variance require maintaining any message history.
This requires maintaining fiscal stimulus.
Longevity requires maintaining or restoring one's original allotment of qi.
Continuing along this path to success requires maintaining our counterinsurgency strategy and committing to see Iraq through its democratic transformation, with parliamentary elections scheduled for late 2009.
At stake was a provision of the National Forest Management Act that required maintaining viable populations of species that indicate the health of an ecosystem, like spotted owl.
By Ben Lerner January 6, 2017 All of Berger's work is a beautiful and bracing argument that political commitment requires maintaining a position of wonder.
