The document discusses how to form and use the future perfect tense in English. It states that the future perfect is formed with will/won't have + past participle of the main verb. It is used to describe an event that will be completed by or before a specified time in the future. Examples are provided such as "By next October, we will have lived here for ten years." The future perfect progressive is also mentioned but noted to be rare, using will/won't have been + verb+ing to describe an ongoing action up until a point in the future.

1. Section A

2. We form the future perfect with will (+ not) + have +
the past participle of the main verb. For example:
I by the end of the day.will have finished
will (+ not) have past participle
I by the end of the day.‘ll have finished
I by the end of the day.will not have finished
I by the end of the day.won’t have finished

3. You by the end of the day.will have finished
will (+ not) have past participle
You by the end of the day.‘ll have finished
You by the end of the day.will not have finished
You by the end of the day.won’t have finished
We by the end of the day.will have finished
We by the end of the day.‘ll have finished
We by the end of the day.will not have finished
We by the end of the day.won’t have finished
She by the end of the day.will have finished
She by the end of the day.‘ll have finished
She by the end of the day.will not have finished
She by the end of the day.won’t have finished

4. It by the end of the day.will have finished
will (+ not) have past participle
It by the end of the day.‘ll have finished
It by the end of the day.will not have finished
It by the end of the day.won’t have finished
He by the end of the day.will have finished
He by the end of the day.‘ll have finished
He by the end of the day.will not have finished
He by the end of the day.won’t have finished
They by the end of the day.will have finished
They by the end of the day.‘ll have finished
They by the end of the day.will not have finished
They by the end of the day.won’t have finished

5. We use the future perfect when we imagine ourselves
at a future point in time. From this future viewpoint, we
describe an event that will be completed by or before
that time. For example:
By next October, we will have lived here for ten years. It’s hard to believe.

6. I’m sure I will have talked to her
We can also use by + a time word or
phrase:
the town $10 million.will have spent
By the time they finish building the new school,
Notice that we often describe the future point in
time using by. This may be a time clause with by.
For example:
by the end of the week.
Be careful! We use a present form in the
time clause even though we are talking
about a future time.

7. The future perfect progressive is very rare. It
emphasizes that an activity will be ongoing up to a
future point in time (and may continue after that time).
For example:
By 5 o’clock, I will have been driving
for three hours. I think I’ll be ready for a stop.
By 6, we for an hour.will have been waiting
We form the future perfect progressive with will (+ not)
+ have + been + the -ing form of the main verb.