A group of related words containing a subjectThe person or thing that performs the action of a verb or that is described by a verb. E.g.: Andy has never been to Brunei. ("Andy") and a verbA part of speech that expresses an action or a state. E.g.: John seldom plays tennis..

A period of timeThe length of time between two points of time. that has finished and does not include the time of speakingA point of time at which an utterance is made..
E.g.: Geoffrey didn’t go skiing last year. ("last year")

A concept, related to the perfectThe aspect expressing completion. E.g.: He’s finished university. aspectA verbal category relating an action to the passage of time. It can express duration or completion., expressing that an actionA general term expressing that somebody or something does something has finished.
E.g.: He’s finished university.

A part of speech connecting words, clauseA group of related words containing a subject and a verb.s or sentences.
E.g.: Although everyone but Julie heard the news, no one seemed to care. ("although", "but")

The situation within which something exists or happens, or an utteranceSomething that somebody says in a specific context. is made.

The aspectA verbal category relating an action to the passage of time. It can express duration or completion. expressing durationA concept, related to the continuous aspect, expressing that an action is in progress. E.g.: What are you doing? , formed with be + verbA part of speech that expresses an action or a state. E.g.: John seldom plays tennis.-ing.
E.g.: What are you doing?