Tense

Verbal auxiliaries, affixes, adverbs, and particles that indicate tense (also known as temporal deixis): the time of a situation (event, activity, or state) in relation to a reference point, which is usually the time of utterance.

• What general words refer to the tense of an event?
  tense time
• What words are used to indicate the past tense?
  -ed
• What words are used to indicate the future tense?
  will going to