V as to wh
This pattern is rather formal, and is used in writing more often than in speech. Verbs with this pattern belong to the following meaning groups:The 'inquire' groupThe 'advise' groupThe 'agree' groupStructure information
V as to whThe verb is followed by a prepositional phrase which consists of as to and a wh-clause or occasionally a noun group.This pattern has one structure:
Verb with prepositional ObjectI inquired as to whether any solution had been reached.
|Verb group||as to||wh-clause/noun group|
|We||advise||as to||whether the group has a good legal case or not.|
|Analysts||differ||as to||how profitable the company will eventually be.|
|She||will be testifying||as to||his mental condition.|