GRAMMAR & STRUCTURE
Future Perfect

Definition

The future perfect describes an action that will be completed at a specific time in the future, and before another action.

Example

Iris will have been gone six months when she comes home next month.

Explanation

The future perfect:

• has the form will + have + past participle verb.
  For example: He will have visited twenty-five countries when he goes to Spain.

• describes actions that will be completed at a specific time in the future.
  For example: Barbara will have finished dinner by the time we arrive.

• uses "not" in negative form.
  For example: Barbara will not have finished dinner by 6:00.

• describes what we think has happened in the present.
  For example: It's Monday. Michelle will have arrived in Costa Rica by now.

Related Sections

Present Perfect
Participles
Future Simple
Future Perfect Continuous