Suggested Answers for Check Questions

Control is the property of PRO that when its interpretation is not arbitrary, it can take reference either from a subject or an object. Whether PRO is controlled by the subject or the object is determined by the governing verb, thus there are so-called subject control verbs, e.g. promise and object control verbs like ask (They asked him PRO to leave – it is ’him’, the object of the main clause who will leave vs. They promised him PRO to leave – it is the subject of the main clause who will leave).