Subjectcontrol
Subjectcontrol is a term used in linguistics to describe a specific type of control relation between clauses, where the subject of a non-finite embedded clause is understood to be the same as the subject of the main clause. In many analyses, the embedded clause contains a null pronoun PRO in the subject position, and PRO is coindexed with the matrix subject. This means the embedded action or state is attributed to the same agent as the main clause subject.
A typical example in English is: John_i promised [PRO_i to leave]. Here, the subject of the infinitival
Subjectcontrol is contrasted with object control, where the embedded clause’s subject is controlled by the object
Across languages, subjectcontrol patterns vary in how they mark or reconstruct the controller, and some languages