marked
v.v. to show where something is or to be a sign of a change. You can also use it to give a grade to a student's work.
v. to indicate a position or boundary; to characterise a specific point in time or a transition. Often used to describe the evaluation of academic assignments or the presence of a distinguishing feature.
The teacher marked the exams last night.
The end of the war marked a new era of peace and economic growth for the region.
While the first chapter establishes the historical setting, the second is marked by a sudden shift in tone that signals the protagonist's growing disillusionment with society.
From mark (“sign, characteristic, visible impression”) + -ed. Less common disyllabic pronunciation (/ˈmɑː.kɪd/) is likely an analogy derived from markedness (explaining its restriction to sense 2).
From mark (verb senses) + -ed.
The verb is transitive and requires a direct object. In British English, it is the standard term for grading student work.
The teacher marked about the mistakes.The teacher marked the mistakes.Marked is a transitive verb and does not require a preposition like 'about' before the object.