What is the following correct word to use in a business document?? "The construction of the devices (depend or depends) on information not generally known... ???
It is 'depends'. The subject of this sentence is the word 'construction'. The prepositional phrase '..of devices' plays no role in determining the conjugation of the verb. Look at Section 2 (preposition phrases) in this Grammar Monster lesson.
Bussiness Letter. I think it is