Future Continuous and Future Perfect in English
English uses the future continuous, 'will be + -ing', for an action that will be in progress at a future moment: "This time tomorrow I'll be flying to Tokyo" or "Don't call at 8 - I'll be eating." It uses the future perfect, 'will have + past participle', for an action that will already be complete before a future point, usually marked by 'by': "By Friday I'll have finished the report." The trick is to keep the two apart - 'I'll be finishing' means still in progress, while 'I'll have finished' means already done. With a 'by' deadline, choose the future perfect rather than the present tense.
Examples
- This time tomorrow I'll be flying to Tokyo. flying will be in progress then
- By Friday I'll have finished the report. the report will be complete before Friday
- Don't call at 8 - I'll be eating. eating will be ongoing at 8
The full lesson
Everything in the video, in text.
-
This time tomorrow I'll be flying. By Friday I'll have finished. Two futures, two completely different pictures. Mix them up and you sound off.
-
English has a tense for an action in progress at a future moment, and another for an action finished before a future moment. Here's the core split.
-
The shapes are easy to remember. Future continuous is will be plus the -ing form. Future perfect is will have plus the past participle.
-
Start with progress. Picture a moment in the future and zoom in — the action is already happening. This time tomorrow I'll be flying to Tokyo.
-
It's great for plans around a clock time. The action surrounds that moment, not starts at it. Don't call at eight — I'll be eating.
-
Now the finish line. Future perfect looks back from a future point at something already complete. By Friday I'll have finished the report.
-
The word by is your signal — a deadline. The action is done somewhere before that point, not at it. By 2030 they'll have built the bridge.
-
Here's the classic trap. I'll be finished and I'll have finished feel the same, but they're not. The first describes you in a state; the second describes the action completed by a deadline.
-
And don't reach for the present tense when there's a deadline. By Friday I finish sounds wrong to a native ear. With by, you need will have plus the past participle.
-
Often the two work together in one sentence — one action wrapping a moment, one already done by it. By the time you arrive, I'll have cooked and I'll be relaxing.
-
So remember it this way. Will be plus -ing paints an action in progress later. Will have plus the past participle marks one finished by a deadline.