Future progressive tense is used to indicate action which will be taking place at some time in the future.
1. I will be watching a football match next Sunday afternoon.
2. We will be working on our project this morning..
3. When you arrive, I’ll be sleeping .
4. I will be leaving in a few minutes.
5. We will be working tomorrow morning.
1. A completed action before another action in the past
The first use of this tense is to emphasize that one action in the past happened before another action in the past.
I had finished my homework before I went playing football.
John had never been to London before we went there last year.
4. Dissatisfaction with the Past
We often use the Past Perfect to show our dissatisfaction with the past. Such sentences typically start with “I wish …” or “If only …”.
I wish I had taken more food. I’m hungry now.
If only I had taken more food. I’m hungry now.
1) Completed Action Before Something in the Future
The Future Perfect expresses the idea that something will occur before another action in the future. It can also show that something will happen before a specific time in the future.
a) By next November, I will have received my promotion.
b) By the time he gets home, she is going to have cleaned the entire house.
2) Duration Before Something in the Future (Non-Continuous Verbs)
With Non-Continuous Verbs and some non-continuous uses of Mixed Verbs, we use the Future Perfect to show that something will continue up until another action in the future.
a) I will have been in London for six months by the time I leave.
b) By Monday, Susan is going to have had my book for a week.
1.Talks about how long you have been doing something you started in the past and still continue now.
2.Use SINCE with a specific time. Use FOR with a length of time.
Use the past perfect continuous to talk about longer actions or situations which started before and continued up to a point in the story.
She had been studying for hours when she found out the exam was cancelled.
They had been talking about the details of the party for a couple of hours , so when I asked them whether they wanted a break, they all agreed.
We use the Future Perfect Continuous to show that something will continue up until a particular event or time in the future. “For five minutes,” “for two weeks,” and “since Friday” are all durations which can be used with the Future Perfect Continuous.
They will have been talking for over an hour by the time Thomas arrives.
She is going to have been working at that company for three years when it finally closes.
James will have been teaching at the university for more than a year by the time he leaves for Asia.
Using the Future Perfect Continuous before another action in the future is a good way to show cause and effect.
Jason will be tired when he gets home because he will have been jogging for over an hour.
Claudia’s English will be perfect when she returns to Germany because she is going to have been studying English in the United States for over two years.