To be

I have been studying for three hours.
- (How long have you been studying?)
You have been working hard all day.
- (How long have you been working?)
He has been playing guitar for two hours.
- (How long has he been playing guitar?)
She has been dancing for a while.
- (How long has she been dancing?)
It has been raining all morning.
- (How long has it been raining?)
We have been waiting for an hour.
- (How long have we been waiting?)
They have been practicing for the competition.
- (How long have they been practicing?)

I was happy yesterday.
- (Were you happy yesterday?)
You were late for the meeting.
- (Were you late for the meeting?)
He was sick last week.
- (Was he sick last week?)
She was at the party.
- (Was she at the party?)
It was cold yesterday.
- (Was it cold yesterday?)
We were at the beach.
- (Were we at the beach?)
They were tired after the long trip.
- (Were they tired after the long trip?)

I was studying when he called.
- (What were you doing when he called?)
You were working hard all morning.
- (What were you doing all morning?)
He was talking to his friend when I saw him.
- (What was he doing when you saw him?)
She was dancing at the party.
- (What was she doing at the party?)
It was raining all day yesterday.
- (What was happening yesterday?)
We were watching a movie when the power went out.
- (What were we doing when the power went out?)
They were playing soccer when it started raining.
- (What were they doing when it started raining?)

I had eaten breakfast before I left.
- (Had you eaten breakfast before you left?)
You had studied a lot before the exam.
- (Had you studied a lot before the exam?)
He had traveled to many countries before he turned 30.
- (Had he traveled to many countries before he turned 30?)
She had read that book before the movie came out.
- (Had she read that book before the movie came out?)
It had rained a lot before the sun came out.
- (Had it rained a lot before the sun came out?)
We had finished our project before the deadline.
- (Had we finished our project before the deadline?)
They had met before they started working together.
- (Had they met before they started working together?)

I had been studying for three hours before I took a break.
- (How long had you been studying before you took a break?)
You had been working hard all day before you went home.
- (How long had you been working before you went home?)
He had been playing guitar for two hours before he stopped.
- (How long had he been playing guitar before he stopped?)
She had been dancing for a while before she got tired.
- (How long had she been dancing before she got tired?)
It had been raining all morning before the sun came out.
- (How long had it been raining before the sun came out?)
We had been waiting for an hour before the bus arrived.
- (How long had we been waiting before the bus arrived?)
They had been practicing for the competition for weeks before it started.
- (How long had they been practicing before the competition started?)

I will be happy tomorrow.
- (Will you be happy tomorrow?)
You will be busy next week.
- (Will you be busy next week?)
He will travel to Europe next year.
- (Will he travel to Europe next year?)
She will study abroad.
- (Will she study abroad?)
It will rain tomorrow.
- (Will it rain tomorrow?)
We will have a party next weekend.
- (Will we have a party next weekend?)
They will meet at the restaurant.
- (Will they meet at the restaurant?)

I will be studying at this time tomorrow.
- (What will you be doing at this time tomorrow?)
You will be working hard all day.
- (What will you be doing all day?)
He will be talking to his friend when I see him.
- (What will he be doing when I see him?)
She will be dancing at the party.
- (What will she be doing at the party?)
It will be raining all day tomorrow.
- (What will be happening tomorrow?)
We will be watching a movie when you arrive.
- (What will we be doing when you arrive?)
They will be playing soccer when the game starts.
- (What will they be doing when the game starts?)

I will have eaten breakfast before I leave.
- (Will you have eaten breakfast before you leave?)
You will have studied a lot before the exam.
- (Will you have studied a lot before the exam?)
He will have traveled to many countries before he retires.
- (Will he have traveled to many countries before he retires?)
She will have read that book before the movie comes out.
- (Will she have read that book before the movie comes out?)
It will have rained a lot before the sun comes out.
- (Will it have rained a lot before the sun comes out?)
We will have finished our project before the meeting.
- (Will we have finished our project before the meeting?)
They will have met before the event starts.
- (Will they have met before the event starts?)

I will have been studying for three hours by the time you arrive.
- (How long will you have been studying by the time I arrive?)
You will have been working hard for eight hours by the time you go home.
- (How long will you have been working by the time you go home?)
He will have been playing guitar for two hours by the time his friend arrives.
- (How long will he have been playing guitar by the time his friend arrives?)
She will have been dancing for a while by the time the party ends.
- (How long will she have been dancing by the time the party ends?)
It will have been raining all morning by the time the sun comes out.
- (How long will it have been raining by the time the sun comes out?)
We will have been waiting for an hour by the time the bus arrives.
- (How long will we have been waiting by the time the bus arrives?)
They will have been practicing for the competition for weeks by the time it starts.
- (How long will they have been practicing by the time the competition starts?)